291222711

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{3491}}^1$

素因数の和:3564

約数の個数: 48

約数和(自身を含む): 488097792

約数和(自身を除く): 196875081

約数列:

[1, 3, 9, 13, 23, 31, 39, 69, 93, 117, 207, 279, 299, 403, 713, 897, 1209, 2139, 2691, 3491, 3627, 6417, 9269, 10473, 27807, 31419, 45383, 80293, 83421, 108221, 136149, 240879, 324663, 408447, 722637, 973989, 1043809, 1406873, 2489083, 3131427, 4220619, 7467249, 9394281, 12661857, 22401747, 32358079, 97074237, 291222711]

約数ペア:

[(1, 291222711), (3, 97074237), (9, 32358079), (13, 22401747), (23, 12661857), (31, 9394281), (39, 7467249), (69, 4220619), (93, 3131427), (117, 2489083), (207, 1406873), (279, 1043809), (299, 973989), (403, 722637), (713, 408447), (897, 324663), (1209, 240879), (2139, 136149), (2691, 108221), (3491, 83421), (3627, 80293), (6417, 45383), (9269, 31419), (10473, 27807)]