80897895

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{2267}}^1$

素因数の和:2352

約数の個数: 48

約数和(自身を含む): 153552672

約数和(自身を除く): 72654777

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 61, 65, 117, 183, 195, 305, 549, 585, 793, 915, 2267, 2379, 2745, 3965, 6801, 7137, 11335, 11895, 20403, 29471, 34005, 35685, 88413, 102015, 138287, 147355, 265239, 414861, 442065, 691435, 1244583, 1326195, 1797731, 2074305, 5393193, 6222915, 8988655, 16179579, 26965965, 80897895]

約数ペア:

[(1, 80897895), (3, 26965965), (5, 16179579), (9, 8988655), (13, 6222915), (15, 5393193), (39, 2074305), (45, 1797731), (61, 1326195), (65, 1244583), (117, 691435), (183, 442065), (195, 414861), (305, 265239), (549, 147355), (585, 138287), (793, 102015), (915, 88413), (2267, 35685), (2379, 34005), (2745, 29471), (3965, 20403), (6801, 11895), (7137, 11335)]