975975

素因数分解:

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

素因数の和:57

約数の個数: 72

約数和(自身を含む): 2178432

約数和(自身を除く): 1202457

約数列:

[1, 3, 5, 7, 11, 13, 15, 21, 25, 33, 35, 39, 55, 65, 75, 77, 91, 105, 143, 165, 169, 175, 195, 231, 273, 275, 325, 385, 429, 455, 507, 525, 715, 825, 845, 975, 1001, 1155, 1183, 1365, 1859, 1925, 2145, 2275, 2535, 3003, 3549, 3575, 4225, 5005, 5577, 5775, 5915, 6825, 9295, 10725, 12675, 13013, 15015, 17745, 25025, 27885, 29575, 39039, 46475, 65065, 75075, 88725, 139425, 195195, 325325, 975975]

約数ペア:

[(1, 975975), (3, 325325), (5, 195195), (7, 139425), (11, 88725), (13, 75075), (15, 65065), (21, 46475), (25, 39039), (33, 29575), (35, 27885), (39, 25025), (55, 17745), (65, 15015), (75, 13013), (77, 12675), (91, 10725), (105, 9295), (143, 6825), (165, 5915), (169, 5775), (175, 5577), (195, 5005), (231, 4225), (273, 3575), (275, 3549), (325, 3003), (385, 2535), (429, 2275), (455, 2145), (507, 1925), (525, 1859), (715, 1365), (825, 1183), (845, 1155), (975, 1001)]