87781425

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{229}}^1\times {\mathrm{269}}^1$

素因数の和:530

約数の個数: 48

約数和(自身を含む): 154008000

約数和(自身を除く): 66226575

約数列:

[1, 3, 5, 15, 19, 25, 57, 75, 95, 229, 269, 285, 475, 687, 807, 1145, 1345, 1425, 3435, 4035, 4351, 5111, 5725, 6725, 13053, 15333, 17175, 20175, 21755, 25555, 61601, 65265, 76665, 108775, 127775, 184803, 308005, 326325, 383325, 924015, 1170419, 1540025, 3511257, 4620075, 5852095, 17556285, 29260475, 87781425]

約数ペア:

[(1, 87781425), (3, 29260475), (5, 17556285), (15, 5852095), (19, 4620075), (25, 3511257), (57, 1540025), (75, 1170419), (95, 924015), (229, 383325), (269, 326325), (285, 308005), (475, 184803), (687, 127775), (807, 108775), (1145, 76665), (1345, 65265), (1425, 61601), (3435, 25555), (4035, 21755), (4351, 20175), (5111, 17175), (5725, 15333), (6725, 13053)]