3978975

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1$

素因数の和:97

約数の個数: 96

約数和(自身を含む): 8999424

約数和(自身を除く): 5020449

約数列:

[1, 3, 5, 7, 11, 13, 15, 21, 25, 33, 35, 39, 53, 55, 65, 75, 77, 91, 105, 143, 159, 165, 175, 195, 231, 265, 273, 275, 325, 371, 385, 429, 455, 525, 583, 689, 715, 795, 825, 975, 1001, 1113, 1155, 1325, 1365, 1749, 1855, 1925, 2067, 2145, 2275, 2915, 3003, 3445, 3575, 3975, 4081, 4823, 5005, 5565, 5775, 6825, 7579, 8745, 9275, 10335, 10725, 12243, 14469, 14575, 15015, 17225, 20405, 22737, 24115, 25025, 27825, 37895, 43725, 51675, 53053, 61215, 72345, 75075, 102025, 113685, 120575, 159159, 189475, 265265, 306075, 361725, 568425, 795795, 1326325, 3978975]

約数ペア:

[(1, 3978975), (3, 1326325), (5, 795795), (7, 568425), (11, 361725), (13, 306075), (15, 265265), (21, 189475), (25, 159159), (33, 120575), (35, 113685), (39, 102025), (53, 75075), (55, 72345), (65, 61215), (75, 53053), (77, 51675), (91, 43725), (105, 37895), (143, 27825), (159, 25025), (165, 24115), (175, 22737), (195, 20405), (231, 17225), (265, 15015), (273, 14575), (275, 14469), (325, 12243), (371, 10725), (385, 10335), (429, 9275), (455, 8745), (525, 7579), (583, 6825), (689, 5775), (715, 5565), (795, 5005), (825, 4823), (975, 4081), (1001, 3975), (1113, 3575), (1155, 3445), (1325, 3003), (1365, 2915), (1749, 2275), (1855, 2145), (1925, 2067)]