1237758975

素因数分解:

$3^4\times 5^2\times {\mathrm{71}}^1\times {\mathrm{8609}}^1$

素因数の和:8702

約数の個数: 60

約数和(自身を含む): 2325319920

約数和(自身を除く): 1087560945

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 71, 75, 81, 135, 213, 225, 355, 405, 639, 675, 1065, 1775, 1917, 2025, 3195, 5325, 5751, 8609, 9585, 15975, 25827, 28755, 43045, 47925, 77481, 129135, 143775, 215225, 232443, 387405, 611239, 645675, 697329, 1162215, 1833717, 1937025, 3056195, 3486645, 5501151, 5811075, 9168585, 15280975, 16503453, 17433225, 27505755, 45842925, 49510359, 82517265, 137528775, 247551795, 412586325, 1237758975]

約数ペア:

[(1, 1237758975), (3, 412586325), (5, 247551795), (9, 137528775), (15, 82517265), (25, 49510359), (27, 45842925), (45, 27505755), (71, 17433225), (75, 16503453), (81, 15280975), (135, 9168585), (213, 5811075), (225, 5501151), (355, 3486645), (405, 3056195), (639, 1937025), (675, 1833717), (1065, 1162215), (1775, 697329), (1917, 645675), (2025, 611239), (3195, 387405), (5325, 232443), (5751, 215225), (8609, 143775), (9585, 129135), (15975, 77481), (25827, 47925), (28755, 43045)]