42805917

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{3251}}^1$

素因数の和:3294

約数の個数: 48

約数和(自身を含む): 81169920

約数和(自身を除く): 38364003

約数列:

[1, 3, 7, 9, 11, 19, 21, 33, 57, 63, 77, 99, 133, 171, 209, 231, 399, 627, 693, 1197, 1463, 1881, 3251, 4389, 9753, 13167, 22757, 29259, 35761, 61769, 68271, 107283, 185307, 204813, 250327, 321849, 432383, 555921, 679459, 750981, 1297149, 2038377, 2252943, 3891447, 4756213, 6115131, 14268639, 42805917]

約数ペア:

[(1, 42805917), (3, 14268639), (7, 6115131), (9, 4756213), (11, 3891447), (19, 2252943), (21, 2038377), (33, 1297149), (57, 750981), (63, 679459), (77, 555921), (99, 432383), (133, 321849), (171, 250327), (209, 204813), (231, 185307), (399, 107283), (627, 68271), (693, 61769), (1197, 35761), (1463, 29259), (1881, 22757), (3251, 13167), (4389, 9753)]