7628025

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{101}}^1$

素因数の和:186

約数の個数: 48

約数和(自身を含む): 13659840

約数和(自身を除く): 6031815

約数列:

[1, 3, 5, 15, 19, 25, 53, 57, 75, 95, 101, 159, 265, 285, 303, 475, 505, 795, 1007, 1325, 1425, 1515, 1919, 2525, 3021, 3975, 5035, 5353, 5757, 7575, 9595, 15105, 16059, 25175, 26765, 28785, 47975, 75525, 80295, 101707, 133825, 143925, 305121, 401475, 508535, 1525605, 2542675, 7628025]

約数ペア:

[(1, 7628025), (3, 2542675), (5, 1525605), (15, 508535), (19, 401475), (25, 305121), (53, 143925), (57, 133825), (75, 101707), (95, 80295), (101, 75525), (159, 47975), (265, 28785), (285, 26765), (303, 25175), (475, 16059), (505, 15105), (795, 9595), (1007, 7575), (1325, 5757), (1425, 5353), (1515, 5035), (1919, 3975), (2525, 3021)]