64839105

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{647}}^1$

素因数の和:806

約数の個数: 48

約数和(自身を含む): 120092544

約数和(自身を除く): 55253439

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 131, 153, 255, 393, 647, 655, 765, 1179, 1941, 1965, 2227, 3235, 5823, 5895, 6681, 9705, 10999, 11135, 20043, 29115, 32997, 33405, 54995, 84757, 98991, 100215, 164985, 254271, 423785, 494955, 762813, 1271355, 1440869, 3814065, 4322607, 7204345, 12967821, 21613035, 64839105]

約数ペア:

[(1, 64839105), (3, 21613035), (5, 12967821), (9, 7204345), (15, 4322607), (17, 3814065), (45, 1440869), (51, 1271355), (85, 762813), (131, 494955), (153, 423785), (255, 254271), (393, 164985), (647, 100215), (655, 98991), (765, 84757), (1179, 54995), (1941, 33405), (1965, 32997), (2227, 29115), (3235, 20043), (5823, 11135), (5895, 10999), (6681, 9705)]