76681017

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^2$

素因数の和:155

約数の個数: 72

約数和(自身を含む): 140836800

約数和(自身を除く): 64155783

約数列:

[1, 3, 7, 9, 19, 21, 29, 47, 57, 63, 87, 133, 141, 171, 203, 261, 329, 399, 423, 551, 609, 893, 987, 1197, 1363, 1653, 1827, 2209, 2679, 2961, 3857, 4089, 4959, 6251, 6627, 8037, 9541, 11571, 12267, 15463, 18753, 19881, 25897, 28623, 34713, 41971, 46389, 56259, 64061, 77691, 85869, 125913, 139167, 181279, 192183, 233073, 293797, 377739, 448427, 543837, 576549, 881391, 1217159, 1345281, 1631511, 2644173, 3651477, 4035843, 8520113, 10954431, 25560339, 76681017]

約数ペア:

[(1, 76681017), (3, 25560339), (7, 10954431), (9, 8520113), (19, 4035843), (21, 3651477), (29, 2644173), (47, 1631511), (57, 1345281), (63, 1217159), (87, 881391), (133, 576549), (141, 543837), (171, 448427), (203, 377739), (261, 293797), (329, 233073), (399, 192183), (423, 181279), (551, 139167), (609, 125913), (893, 85869), (987, 77691), (1197, 64061), (1363, 56259), (1653, 46389), (1827, 41971), (2209, 34713), (2679, 28623), (2961, 25897), (3857, 19881), (4089, 18753), (4959, 15463), (6251, 12267), (6627, 11571), (8037, 9541)]