248304375

素因数分解:

$3^2\times 5^4\times {\mathrm{11}}^1\times {\mathrm{4013}}^1$

素因数の和:4050

約数の個数: 60

約数和(自身を含む): 489049704

約数和(自身を除く): 240745329

約数列:

[1, 3, 5, 9, 11, 15, 25, 33, 45, 55, 75, 99, 125, 165, 225, 275, 375, 495, 625, 825, 1125, 1375, 1875, 2475, 4013, 4125, 5625, 6875, 12039, 12375, 20065, 20625, 36117, 44143, 60195, 61875, 100325, 132429, 180585, 220715, 300975, 397287, 501625, 662145, 902925, 1103575, 1504875, 1986435, 2508125, 3310725, 4514625, 5517875, 7524375, 9932175, 16553625, 22573125, 27589375, 49660875, 82768125, 248304375]

約数ペア:

[(1, 248304375), (3, 82768125), (5, 49660875), (9, 27589375), (11, 22573125), (15, 16553625), (25, 9932175), (33, 7524375), (45, 5517875), (55, 4514625), (75, 3310725), (99, 2508125), (125, 1986435), (165, 1504875), (225, 1103575), (275, 902925), (375, 662145), (495, 501625), (625, 397287), (825, 300975), (1125, 220715), (1375, 180585), (1875, 132429), (2475, 100325), (4013, 61875), (4125, 60195), (5625, 44143), (6875, 36117), (12039, 20625), (12375, 20065)]