1871025

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1$

素因数の和:146

約数の個数: 48

約数和(自身を含む): 3541440

約数和(自身を除く): 1670415

約数列:

[1, 3, 5, 13, 15, 19, 25, 39, 57, 65, 75, 95, 101, 195, 247, 285, 303, 325, 475, 505, 741, 975, 1235, 1313, 1425, 1515, 1919, 2525, 3705, 3939, 5757, 6175, 6565, 7575, 9595, 18525, 19695, 24947, 28785, 32825, 47975, 74841, 98475, 124735, 143925, 374205, 623675, 1871025]

約数ペア:

[(1, 1871025), (3, 623675), (5, 374205), (13, 143925), (15, 124735), (19, 98475), (25, 74841), (39, 47975), (57, 32825), (65, 28785), (75, 24947), (95, 19695), (101, 18525), (195, 9595), (247, 7575), (285, 6565), (303, 6175), (325, 5757), (475, 3939), (505, 3705), (741, 2525), (975, 1919), (1235, 1515), (1313, 1425)]