28852695

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{457}}^1$

素因数の和:552

約数の個数: 48

約数和(自身を含む): 53157312

約数和(自身を除く): 24304617

約数列:

[1, 3, 5, 9, 15, 23, 45, 61, 69, 115, 183, 207, 305, 345, 457, 549, 915, 1035, 1371, 1403, 2285, 2745, 4113, 4209, 6855, 7015, 10511, 12627, 20565, 21045, 27877, 31533, 52555, 63135, 83631, 94599, 139385, 157665, 250893, 418155, 472995, 641171, 1254465, 1923513, 3205855, 5770539, 9617565, 28852695]

約数ペア:

[(1, 28852695), (3, 9617565), (5, 5770539), (9, 3205855), (15, 1923513), (23, 1254465), (45, 641171), (61, 472995), (69, 418155), (115, 250893), (183, 157665), (207, 139385), (305, 94599), (345, 83631), (457, 63135), (549, 52555), (915, 31533), (1035, 27877), (1371, 21045), (1403, 20565), (2285, 12627), (2745, 10511), (4113, 7015), (4209, 6855)]