13212825

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{241}}^1$

素因数の和:314

約数の個数: 48

約数和(自身を含む): 23766336

約数和(自身を除く): 10553511

約数列:

[1, 3, 5, 15, 17, 25, 43, 51, 75, 85, 129, 215, 241, 255, 425, 645, 723, 731, 1075, 1205, 1275, 2193, 3225, 3615, 3655, 4097, 6025, 10363, 10965, 12291, 18075, 18275, 20485, 31089, 51815, 54825, 61455, 102425, 155445, 176171, 259075, 307275, 528513, 777225, 880855, 2642565, 4404275, 13212825]

約数ペア:

[(1, 13212825), (3, 4404275), (5, 2642565), (15, 880855), (17, 777225), (25, 528513), (43, 307275), (51, 259075), (75, 176171), (85, 155445), (129, 102425), (215, 61455), (241, 54825), (255, 51815), (425, 31089), (645, 20485), (723, 18275), (731, 18075), (1075, 12291), (1205, 10965), (1275, 10363), (2193, 6025), (3225, 4097), (3615, 3655)]