28488369

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{241}}^1\times {\mathrm{433}}^1$

素因数の和:697

約数の個数: 32

約数和(自身を含む): 47052544

約数和(自身を除く): 18564175

約数列:

[1, 3, 7, 13, 21, 39, 91, 241, 273, 433, 723, 1299, 1687, 3031, 3133, 5061, 5629, 9093, 9399, 16887, 21931, 39403, 65793, 104353, 118209, 313059, 730471, 1356589, 2191413, 4069767, 9496123, 28488369]

約数ペア:

[(1, 28488369), (3, 9496123), (7, 4069767), (13, 2191413), (21, 1356589), (39, 730471), (91, 313059), (241, 118209), (273, 104353), (433, 65793), (723, 39403), (1299, 21931), (1687, 16887), (3031, 9399), (3133, 9093), (5061, 5629)]