28142625

素因数分解:

$3^1\times 5^3\times 7^1\times {\mathrm{71}}^1\times {\mathrm{151}}^1$

素因数の和:247

約数の個数: 64

約数和(自身を含む): 54632448

約数和(自身を除く): 26489823

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 71, 75, 105, 125, 151, 175, 213, 355, 375, 453, 497, 525, 755, 875, 1057, 1065, 1491, 1775, 2265, 2485, 2625, 3171, 3775, 5285, 5325, 7455, 8875, 10721, 11325, 12425, 15855, 18875, 26425, 26625, 32163, 37275, 53605, 56625, 62125, 75047, 79275, 132125, 160815, 186375, 225141, 268025, 375235, 396375, 804075, 1125705, 1340125, 1876175, 4020375, 5628525, 9380875, 28142625]

約数ペア:

[(1, 28142625), (3, 9380875), (5, 5628525), (7, 4020375), (15, 1876175), (21, 1340125), (25, 1125705), (35, 804075), (71, 396375), (75, 375235), (105, 268025), (125, 225141), (151, 186375), (175, 160815), (213, 132125), (355, 79275), (375, 75047), (453, 62125), (497, 56625), (525, 53605), (755, 37275), (875, 32163), (1057, 26625), (1065, 26425), (1491, 18875), (1775, 15855), (2265, 12425), (2485, 11325), (2625, 10721), (3171, 8875), (3775, 7455), (5285, 5325)]