1857375

素因数分解:

$3^2\times 5^3\times {\mathrm{13}}^1\times {\mathrm{127}}^1$

素因数の和:161

約数の個数: 48

約数和(自身を含む): 3634176

約数和(自身を除く): 1776801

約数列:

[1, 3, 5, 9, 13, 15, 25, 39, 45, 65, 75, 117, 125, 127, 195, 225, 325, 375, 381, 585, 635, 975, 1125, 1143, 1625, 1651, 1905, 2925, 3175, 4875, 4953, 5715, 8255, 9525, 14625, 14859, 15875, 24765, 28575, 41275, 47625, 74295, 123825, 142875, 206375, 371475, 619125, 1857375]

約数ペア:

[(1, 1857375), (3, 619125), (5, 371475), (9, 206375), (13, 142875), (15, 123825), (25, 74295), (39, 47625), (45, 41275), (65, 28575), (75, 24765), (117, 15875), (125, 14859), (127, 14625), (195, 9525), (225, 8255), (325, 5715), (375, 4953), (381, 4875), (585, 3175), (635, 2925), (975, 1905), (1125, 1651), (1143, 1625)]