26881155

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{73}}^1\times {\mathrm{167}}^1$

素因数の和:265

約数の個数: 72

約数和(自身を含む): 55272672

約数和(自身を除く): 28391517

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 49, 63, 73, 105, 147, 167, 219, 245, 315, 365, 441, 501, 511, 657, 735, 835, 1095, 1169, 1503, 1533, 2205, 2505, 2555, 3285, 3507, 3577, 4599, 5845, 7515, 7665, 8183, 10521, 10731, 12191, 17535, 17885, 22995, 24549, 32193, 36573, 40915, 52605, 53655, 60955, 73647, 85337, 109719, 122745, 160965, 182865, 256011, 368235, 426685, 548595, 597359, 768033, 1280055, 1792077, 2986795, 3840165, 5376231, 8960385, 26881155]

約数ペア:

[(1, 26881155), (3, 8960385), (5, 5376231), (7, 3840165), (9, 2986795), (15, 1792077), (21, 1280055), (35, 768033), (45, 597359), (49, 548595), (63, 426685), (73, 368235), (105, 256011), (147, 182865), (167, 160965), (219, 122745), (245, 109719), (315, 85337), (365, 73647), (441, 60955), (501, 53655), (511, 52605), (657, 40915), (735, 36573), (835, 32193), (1095, 24549), (1169, 22995), (1503, 17885), (1533, 17535), (2205, 12191), (2505, 10731), (2555, 10521), (3285, 8183), (3507, 7665), (3577, 7515), (4599, 5845)]