228712725

素因数分解:

$3^2\times 5^2\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{331}}^1$

素因数の和:467

約数の個数: 72

約数和(自身を含む): 427076832

約数和(自身を除く): 198364107

約数列:

[1, 3, 5, 9, 15, 25, 37, 45, 75, 83, 111, 185, 225, 249, 331, 333, 415, 555, 747, 925, 993, 1245, 1655, 1665, 2075, 2775, 2979, 3071, 3735, 4965, 6225, 8275, 8325, 9213, 12247, 14895, 15355, 18675, 24825, 27473, 27639, 36741, 46065, 61235, 74475, 76775, 82419, 110223, 137365, 138195, 183705, 230325, 247257, 306175, 412095, 551115, 686825, 690975, 918525, 1016501, 1236285, 2060475, 2755575, 3049503, 5082505, 6181425, 9148509, 15247515, 25412525, 45742545, 76237575, 228712725]

約数ペア:

[(1, 228712725), (3, 76237575), (5, 45742545), (9, 25412525), (15, 15247515), (25, 9148509), (37, 6181425), (45, 5082505), (75, 3049503), (83, 2755575), (111, 2060475), (185, 1236285), (225, 1016501), (249, 918525), (331, 690975), (333, 686825), (415, 551115), (555, 412095), (747, 306175), (925, 247257), (993, 230325), (1245, 183705), (1655, 138195), (1665, 137365), (2075, 110223), (2775, 82419), (2979, 76775), (3071, 74475), (3735, 61235), (4965, 46065), (6225, 36741), (8275, 27639), (8325, 27473), (9213, 24825), (12247, 18675), (14895, 15355)]