28926090

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{331}}^1\times {\mathrm{971}}^1$

素因数の和:1315

約数の個数: 48

約数和(自身を含む): 75512736

約数和(自身を除く): 46586646

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 331, 662, 971, 993, 1655, 1942, 1986, 2913, 2979, 3310, 4855, 4965, 5826, 5958, 8739, 9710, 9930, 14565, 14895, 17478, 29130, 29790, 43695, 87390, 321401, 642802, 964203, 1607005, 1928406, 2892609, 3214010, 4821015, 5785218, 9642030, 14463045, 28926090]

約数ペア:

[(1, 28926090), (2, 14463045), (3, 9642030), (5, 5785218), (6, 4821015), (9, 3214010), (10, 2892609), (15, 1928406), (18, 1607005), (30, 964203), (45, 642802), (90, 321401), (331, 87390), (662, 43695), (971, 29790), (993, 29130), (1655, 17478), (1942, 14895), (1986, 14565), (2913, 9930), (2979, 9710), (3310, 8739), (4855, 5958), (4965, 5826)]