2140425

素因数分解:

$3^4\times 5^2\times 7^1\times {\mathrm{151}}^1$

素因数の和:180

約数の個数: 60

約数和(自身を含む): 4561216

約数和(自身を除く): 2420791

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 27, 35, 45, 63, 75, 81, 105, 135, 151, 175, 189, 225, 315, 405, 453, 525, 567, 675, 755, 945, 1057, 1359, 1575, 2025, 2265, 2835, 3171, 3775, 4077, 4725, 5285, 6795, 9513, 11325, 12231, 14175, 15855, 20385, 26425, 28539, 33975, 47565, 61155, 79275, 85617, 101925, 142695, 237825, 305775, 428085, 713475, 2140425]

約数ペア:

[(1, 2140425), (3, 713475), (5, 428085), (7, 305775), (9, 237825), (15, 142695), (21, 101925), (25, 85617), (27, 79275), (35, 61155), (45, 47565), (63, 33975), (75, 28539), (81, 26425), (105, 20385), (135, 15855), (151, 14175), (175, 12231), (189, 11325), (225, 9513), (315, 6795), (405, 5285), (453, 4725), (525, 4077), (567, 3775), (675, 3171), (755, 2835), (945, 2265), (1057, 2025), (1359, 1575)]