28102725

素因数分解:

$3^2\times 5^2\times 7^2\times {\mathrm{2549}}^1$

素因数の和:2579

約数の個数: 54

約数和(自身を含む): 58576050

約数和(自身を除く): 30473325

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 45, 49, 63, 75, 105, 147, 175, 225, 245, 315, 441, 525, 735, 1225, 1575, 2205, 2549, 3675, 7647, 11025, 12745, 17843, 22941, 38235, 53529, 63725, 89215, 114705, 124901, 160587, 191175, 267645, 374703, 446075, 573525, 624505, 802935, 1124109, 1338225, 1873515, 3122525, 4014675, 5620545, 9367575, 28102725]

約数ペア:

[(1, 28102725), (3, 9367575), (5, 5620545), (7, 4014675), (9, 3122525), (15, 1873515), (21, 1338225), (25, 1124109), (35, 802935), (45, 624505), (49, 573525), (63, 446075), (75, 374703), (105, 267645), (147, 191175), (175, 160587), (225, 124901), (245, 114705), (315, 89215), (441, 63725), (525, 53529), (735, 38235), (1225, 22941), (1575, 17843), (2205, 12745), (2549, 11025), (3675, 7647)]