1285687725

素因数分解:

$3^1\times 5^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{18413}}^1$

素因数の和:18459

約数の個数: 72

約数和(自身を含む): 2603003040

約数和(自身を除く): 1317315315

約数列:

[1, 3, 5, 7, 15, 19, 21, 25, 35, 49, 57, 75, 95, 105, 133, 147, 175, 245, 285, 399, 475, 525, 665, 735, 931, 1225, 1425, 1995, 2793, 3325, 3675, 4655, 9975, 13965, 18413, 23275, 55239, 69825, 92065, 128891, 276195, 349847, 386673, 460325, 644455, 902237, 1049541, 1380975, 1749235, 1933365, 2448929, 2706711, 3222275, 4511185, 5247705, 7346787, 8746175, 9666825, 12244645, 13533555, 17142503, 22555925, 26238525, 36733935, 51427509, 61223225, 67667775, 85712515, 183669675, 257137545, 428562575, 1285687725]

約数ペア:

[(1, 1285687725), (3, 428562575), (5, 257137545), (7, 183669675), (15, 85712515), (19, 67667775), (21, 61223225), (25, 51427509), (35, 36733935), (49, 26238525), (57, 22555925), (75, 17142503), (95, 13533555), (105, 12244645), (133, 9666825), (147, 8746175), (175, 7346787), (245, 5247705), (285, 4511185), (399, 3222275), (475, 2706711), (525, 2448929), (665, 1933365), (735, 1749235), (931, 1380975), (1225, 1049541), (1425, 902237), (1995, 644455), (2793, 460325), (3325, 386673), (3675, 349847), (4655, 276195), (9975, 128891), (13965, 92065), (18413, 69825), (23275, 55239)]