28376595

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1$

素因数の和:106

約数の個数: 128

約数和(自身を含む): 61286400

約数和(自身を除く): 32909805

約数列:

[1, 3, 5, 9, 13, 15, 19, 23, 27, 37, 39, 45, 57, 65, 69, 95, 111, 115, 117, 135, 171, 185, 195, 207, 247, 285, 299, 333, 345, 351, 437, 481, 513, 555, 585, 621, 703, 741, 851, 855, 897, 999, 1035, 1235, 1311, 1443, 1495, 1665, 1755, 2109, 2185, 2223, 2405, 2553, 2565, 2691, 3105, 3515, 3705, 3933, 4255, 4329, 4485, 4995, 5681, 6327, 6555, 6669, 7215, 7659, 8073, 9139, 10545, 11063, 11115, 11799, 12765, 12987, 13455, 16169, 17043, 18981, 19665, 21645, 22977, 27417, 28405, 31635, 33189, 33345, 38295, 40365, 45695, 48507, 51129, 55315, 58995, 64935, 80845, 82251, 85215, 94905, 99567, 114885, 137085, 145521, 153387, 165945, 210197, 242535, 246753, 255645, 298701, 411255, 436563, 497835, 630591, 727605, 766935, 1050985, 1233765, 1493505, 1891773, 2182815, 3152955, 5675319, 9458865, 28376595]

約数ペア:

[(1, 28376595), (3, 9458865), (5, 5675319), (9, 3152955), (13, 2182815), (15, 1891773), (19, 1493505), (23, 1233765), (27, 1050985), (37, 766935), (39, 727605), (45, 630591), (57, 497835), (65, 436563), (69, 411255), (95, 298701), (111, 255645), (115, 246753), (117, 242535), (135, 210197), (171, 165945), (185, 153387), (195, 145521), (207, 137085), (247, 114885), (285, 99567), (299, 94905), (333, 85215), (345, 82251), (351, 80845), (437, 64935), (481, 58995), (513, 55315), (555, 51129), (585, 48507), (621, 45695), (703, 40365), (741, 38295), (851, 33345), (855, 33189), (897, 31635), (999, 28405), (1035, 27417), (1235, 22977), (1311, 21645), (1443, 19665), (1495, 18981), (1665, 17043), (1755, 16169), (2109, 13455), (2185, 12987), (2223, 12765), (2405, 11799), (2553, 11115), (2565, 11063), (2691, 10545), (3105, 9139), (3515, 8073), (3705, 7659), (3933, 7215), (4255, 6669), (4329, 6555), (4485, 6327), (4995, 5681)]