87905115

素因数分解:

$3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{797}}^1$

素因数の和:873

約数の個数: 64

約数和(自身を含む): 168537600

約数和(自身を除く): 80632485

約数列:

[1, 3, 5, 9, 15, 19, 27, 43, 45, 57, 95, 129, 135, 171, 215, 285, 387, 513, 645, 797, 817, 855, 1161, 1935, 2391, 2451, 2565, 3985, 4085, 5805, 7173, 7353, 11955, 12255, 15143, 21519, 22059, 34271, 35865, 36765, 45429, 75715, 102813, 107595, 110295, 136287, 171355, 227145, 308439, 408861, 514065, 651149, 681435, 925317, 1542195, 1953447, 2044305, 3255745, 4626585, 5860341, 9767235, 17581023, 29301705, 87905115]

約数ペア:

[(1, 87905115), (3, 29301705), (5, 17581023), (9, 9767235), (15, 5860341), (19, 4626585), (27, 3255745), (43, 2044305), (45, 1953447), (57, 1542195), (95, 925317), (129, 681435), (135, 651149), (171, 514065), (215, 408861), (285, 308439), (387, 227145), (513, 171355), (645, 136287), (797, 110295), (817, 107595), (855, 102813), (1161, 75715), (1935, 45429), (2391, 36765), (2451, 35865), (2565, 34271), (3985, 22059), (4085, 21519), (5805, 15143), (7173, 12255), (7353, 11955)]