31883175

素因数分解:

$3^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{101}}^1$

素因数の和:201

約数の個数: 72

約数和(自身を含む): 61165728

約数和(自身を除く): 29282553

約数列:

[1, 3, 5, 9, 15, 23, 25, 45, 61, 69, 75, 101, 115, 183, 207, 225, 303, 305, 345, 505, 549, 575, 909, 915, 1035, 1403, 1515, 1525, 1725, 2323, 2525, 2745, 4209, 4545, 4575, 5175, 6161, 6969, 7015, 7575, 11615, 12627, 13725, 18483, 20907, 21045, 22725, 30805, 34845, 35075, 55449, 58075, 63135, 92415, 104535, 105225, 141703, 154025, 174225, 277245, 315675, 425109, 462075, 522675, 708515, 1275327, 1386225, 2125545, 3542575, 6376635, 10627725, 31883175]

約数ペア:

[(1, 31883175), (3, 10627725), (5, 6376635), (9, 3542575), (15, 2125545), (23, 1386225), (25, 1275327), (45, 708515), (61, 522675), (69, 462075), (75, 425109), (101, 315675), (115, 277245), (183, 174225), (207, 154025), (225, 141703), (303, 105225), (305, 104535), (345, 92415), (505, 63135), (549, 58075), (575, 55449), (909, 35075), (915, 34845), (1035, 30805), (1403, 22725), (1515, 21045), (1525, 20907), (1725, 18483), (2323, 13725), (2525, 12627), (2745, 11615), (4209, 7575), (4545, 7015), (4575, 6969), (5175, 6161)]