1731690

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{271}}^1$

素因数の和:355

約数の個数: 48

約数和(自身を含む): 4582656

約数和(自身を除く): 2850966

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 71, 90, 142, 213, 271, 355, 426, 542, 639, 710, 813, 1065, 1278, 1355, 1626, 2130, 2439, 2710, 3195, 4065, 4878, 6390, 8130, 12195, 19241, 24390, 38482, 57723, 96205, 115446, 173169, 192410, 288615, 346338, 577230, 865845, 1731690]

約数ペア:

[(1, 1731690), (2, 865845), (3, 577230), (5, 346338), (6, 288615), (9, 192410), (10, 173169), (15, 115446), (18, 96205), (30, 57723), (45, 38482), (71, 24390), (90, 19241), (142, 12195), (213, 8130), (271, 6390), (355, 4878), (426, 4065), (542, 3195), (639, 2710), (710, 2439), (813, 2130), (1065, 1626), (1278, 1355)]