287730003

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{2053}}^1$

素因数の和:2235

約数の個数: 32

約数和(自身を含む): 435382272

約数和(自身を除く): 147652269

約数列:

[1, 3, 11, 31, 33, 93, 137, 341, 411, 1023, 1507, 2053, 4247, 4521, 6159, 12741, 22583, 46717, 63643, 67749, 140151, 190929, 281261, 700073, 843783, 2100219, 3093871, 8719091, 9281613, 26157273, 95910001, 287730003]

約数ペア:

[(1, 287730003), (3, 95910001), (11, 26157273), (31, 9281613), (33, 8719091), (93, 3093871), (137, 2100219), (341, 843783), (411, 700073), (1023, 281261), (1507, 190929), (2053, 140151), (4247, 67749), (4521, 63643), (6159, 46717), (12741, 22583)]