15216435

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^2$

素因数の和:117

約数の個数: 72

約数和(自身を含む): 30728880

約数和(自身を除く): 15512445

約数列:

[1, 3, 5, 9, 13, 15, 19, 37, 39, 45, 57, 65, 95, 111, 117, 171, 185, 195, 247, 285, 333, 481, 555, 585, 703, 741, 855, 1235, 1369, 1443, 1665, 2109, 2223, 2405, 3515, 3705, 4107, 4329, 6327, 6845, 7215, 9139, 10545, 11115, 12321, 17797, 20535, 21645, 26011, 27417, 31635, 45695, 53391, 61605, 78033, 82251, 88985, 130055, 137085, 160173, 234099, 266955, 338143, 390165, 411255, 800865, 1014429, 1170495, 1690715, 3043287, 5072145, 15216435]

約数ペア:

[(1, 15216435), (3, 5072145), (5, 3043287), (9, 1690715), (13, 1170495), (15, 1014429), (19, 800865), (37, 411255), (39, 390165), (45, 338143), (57, 266955), (65, 234099), (95, 160173), (111, 137085), (117, 130055), (171, 88985), (185, 82251), (195, 78033), (247, 61605), (285, 53391), (333, 45695), (481, 31635), (555, 27417), (585, 26011), (703, 21645), (741, 20535), (855, 17797), (1235, 12321), (1369, 11115), (1443, 10545), (1665, 9139), (2109, 7215), (2223, 6845), (2405, 6327), (3515, 4329), (3705, 4107)]