1389978

素因数分解:

$2^1\times 3^2\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1$

素因数の和:139

約数の個数: 48

約数和(自身を含む): 3234816

約数和(自身を除く): 1844838

約数列:

[1, 2, 3, 6, 9, 18, 31, 47, 53, 62, 93, 94, 106, 141, 159, 186, 279, 282, 318, 423, 477, 558, 846, 954, 1457, 1643, 2491, 2914, 3286, 4371, 4929, 4982, 7473, 8742, 9858, 13113, 14787, 14946, 22419, 26226, 29574, 44838, 77221, 154442, 231663, 463326, 694989, 1389978]

約数ペア:

[(1, 1389978), (2, 694989), (3, 463326), (6, 231663), (9, 154442), (18, 77221), (31, 44838), (47, 29574), (53, 26226), (62, 22419), (93, 14946), (94, 14787), (106, 13113), (141, 9858), (159, 8742), (186, 7473), (279, 4982), (282, 4929), (318, 4371), (423, 3286), (477, 2914), (558, 2491), (846, 1643), (954, 1457)]