205314921

素因数分解:

$3^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1\times {\mathrm{787}}^1$

素因数の和:942

約数の個数: 48

約数和(自身を含む): 351082368

約数和(自身を除く): 145767447

約数列:

[1, 3, 7, 9, 21, 41, 63, 101, 123, 287, 303, 369, 707, 787, 861, 909, 2121, 2361, 2583, 4141, 5509, 6363, 7083, 12423, 16527, 28987, 32267, 37269, 49581, 79487, 86961, 96801, 225869, 238461, 260883, 290403, 556409, 677607, 715383, 1669227, 2032821, 3258967, 5007681, 9776901, 22812769, 29330703, 68438307, 205314921]

約数ペア:

[(1, 205314921), (3, 68438307), (7, 29330703), (9, 22812769), (21, 9776901), (41, 5007681), (63, 3258967), (101, 2032821), (123, 1669227), (287, 715383), (303, 677607), (369, 556409), (707, 290403), (787, 260883), (861, 238461), (909, 225869), (2121, 96801), (2361, 86961), (2583, 79487), (4141, 49581), (5509, 37269), (6363, 32267), (7083, 28987), (12423, 16527)]