613275

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1$

素因数の和:80

約数の個数: 48

約数和(自身を含む): 1187424

約数和(自身を除く): 574149

約数列:

[1, 3, 5, 13, 15, 17, 25, 37, 39, 51, 65, 75, 85, 111, 185, 195, 221, 255, 325, 425, 481, 555, 629, 663, 925, 975, 1105, 1275, 1443, 1887, 2405, 2775, 3145, 3315, 5525, 7215, 8177, 9435, 12025, 15725, 16575, 24531, 36075, 40885, 47175, 122655, 204425, 613275]

約数ペア:

[(1, 613275), (3, 204425), (5, 122655), (13, 47175), (15, 40885), (17, 36075), (25, 24531), (37, 16575), (39, 15725), (51, 12025), (65, 9435), (75, 8177), (85, 7215), (111, 5525), (185, 3315), (195, 3145), (221, 2775), (255, 2405), (325, 1887), (425, 1443), (481, 1275), (555, 1105), (629, 975), (663, 925)]