15621255

素因数分解:

$3^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1$

素因数の和:99

約数の個数: 96

約数和(自身を含む): 32288256

約数和(自身を除く): 16667001

約数列:

[1, 3, 5, 9, 13, 15, 23, 27, 39, 43, 45, 65, 69, 81, 115, 117, 129, 135, 195, 207, 215, 243, 299, 345, 351, 387, 405, 559, 585, 621, 645, 897, 989, 1035, 1053, 1161, 1215, 1495, 1677, 1755, 1863, 1935, 2691, 2795, 2967, 3105, 3159, 3483, 4485, 4945, 5031, 5265, 5589, 5805, 8073, 8385, 8901, 9315, 10449, 12857, 13455, 14835, 15093, 15795, 17415, 24219, 25155, 26703, 27945, 38571, 40365, 44505, 45279, 52245, 64285, 72657, 75465, 80109, 115713, 121095, 133515, 135837, 192855, 226395, 240327, 347139, 363285, 400545, 578565, 679185, 1041417, 1201635, 1735695, 3124251, 5207085, 15621255]

約数ペア:

[(1, 15621255), (3, 5207085), (5, 3124251), (9, 1735695), (13, 1201635), (15, 1041417), (23, 679185), (27, 578565), (39, 400545), (43, 363285), (45, 347139), (65, 240327), (69, 226395), (81, 192855), (115, 135837), (117, 133515), (129, 121095), (135, 115713), (195, 80109), (207, 75465), (215, 72657), (243, 64285), (299, 52245), (345, 45279), (351, 44505), (387, 40365), (405, 38571), (559, 27945), (585, 26703), (621, 25155), (645, 24219), (897, 17415), (989, 15795), (1035, 15093), (1053, 14835), (1161, 13455), (1215, 12857), (1495, 10449), (1677, 9315), (1755, 8901), (1863, 8385), (1935, 8073), (2691, 5805), (2795, 5589), (2967, 5265), (3105, 5031), (3159, 4945), (3483, 4485)]