217795875

素因数分解:

$3^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{1427}}^1$

素因数の和:1493

約数の個数: 64

約数和(自身を含む): 406328832

約数和(自身を除く): 188532957

約数列:

[1, 3, 5, 11, 15, 25, 33, 37, 55, 75, 111, 125, 165, 185, 275, 375, 407, 555, 825, 925, 1221, 1375, 1427, 2035, 2775, 4125, 4281, 4625, 6105, 7135, 10175, 13875, 15697, 21405, 30525, 35675, 47091, 50875, 52799, 78485, 107025, 152625, 158397, 178375, 235455, 263995, 392425, 535125, 580789, 791985, 1177275, 1319975, 1742367, 1962125, 2903945, 3959925, 5886375, 6599875, 8711835, 14519725, 19799625, 43559175, 72598625, 217795875]

約数ペア:

[(1, 217795875), (3, 72598625), (5, 43559175), (11, 19799625), (15, 14519725), (25, 8711835), (33, 6599875), (37, 5886375), (55, 3959925), (75, 2903945), (111, 1962125), (125, 1742367), (165, 1319975), (185, 1177275), (275, 791985), (375, 580789), (407, 535125), (555, 392425), (825, 263995), (925, 235455), (1221, 178375), (1375, 158397), (1427, 152625), (2035, 107025), (2775, 78485), (4125, 52799), (4281, 50875), (4625, 47091), (6105, 35675), (7135, 30525), (10175, 21405), (13875, 15697)]