72665055

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^2$

素因数の和:165

約数の個数: 72

約数和(自身を含む): 139428432

約数和(自身を除く): 66763377

約数列:

[1, 3, 5, 9, 15, 17, 43, 45, 47, 51, 85, 129, 141, 153, 215, 235, 255, 387, 423, 645, 705, 731, 765, 799, 1935, 2021, 2115, 2193, 2209, 2397, 3655, 3995, 6063, 6579, 6627, 7191, 10105, 10965, 11045, 11985, 18189, 19881, 30315, 32895, 33135, 34357, 35955, 37553, 90945, 94987, 99405, 103071, 112659, 171785, 187765, 284961, 309213, 337977, 474935, 515355, 563295, 854883, 1424805, 1546065, 1614779, 1689885, 4274415, 4844337, 8073895, 14533011, 24221685, 72665055]

約数ペア:

[(1, 72665055), (3, 24221685), (5, 14533011), (9, 8073895), (15, 4844337), (17, 4274415), (43, 1689885), (45, 1614779), (47, 1546065), (51, 1424805), (85, 854883), (129, 563295), (141, 515355), (153, 474935), (215, 337977), (235, 309213), (255, 284961), (387, 187765), (423, 171785), (645, 112659), (705, 103071), (731, 99405), (765, 94987), (799, 90945), (1935, 37553), (2021, 35955), (2115, 34357), (2193, 33135), (2209, 32895), (2397, 30315), (3655, 19881), (3995, 18189), (6063, 11985), (6579, 11045), (6627, 10965), (7191, 10105)]