78828165

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^2\times {\mathrm{61}}^1$

素因数の和:179

約数の個数: 72

約数和(自身を含む): 152807928

約数和(自身を除く): 73979763

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 47, 61, 65, 117, 141, 183, 195, 235, 305, 423, 549, 585, 611, 705, 793, 915, 1833, 2115, 2209, 2379, 2745, 2867, 3055, 3965, 5499, 6627, 7137, 8601, 9165, 11045, 11895, 14335, 19881, 25803, 27495, 28717, 33135, 35685, 37271, 43005, 86151, 99405, 111813, 129015, 134749, 143585, 186355, 258453, 335439, 404247, 430755, 559065, 673745, 1212741, 1292265, 1677195, 1751737, 2021235, 5255211, 6063705, 8758685, 15765633, 26276055, 78828165]

約数ペア:

[(1, 78828165), (3, 26276055), (5, 15765633), (9, 8758685), (13, 6063705), (15, 5255211), (39, 2021235), (45, 1751737), (47, 1677195), (61, 1292265), (65, 1212741), (117, 673745), (141, 559065), (183, 430755), (195, 404247), (235, 335439), (305, 258453), (423, 186355), (549, 143585), (585, 134749), (611, 129015), (705, 111813), (793, 99405), (915, 86151), (1833, 43005), (2115, 37271), (2209, 35685), (2379, 33135), (2745, 28717), (2867, 27495), (3055, 25803), (3965, 19881), (5499, 14335), (6627, 11895), (7137, 11045), (8601, 9165)]