217232925

素因数分解:

$3^1\times 5^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{4547}}^1$

素因数の和:4587

約数の個数: 72

約数和(自身を含む): 450033696

約数和(自身を除く): 232800771

約数列:

[1, 3, 5, 7, 13, 15, 21, 25, 35, 39, 49, 65, 75, 91, 105, 147, 175, 195, 245, 273, 325, 455, 525, 637, 735, 975, 1225, 1365, 1911, 2275, 3185, 3675, 4547, 6825, 9555, 13641, 15925, 22735, 31829, 47775, 59111, 68205, 95487, 113675, 159145, 177333, 222803, 295555, 341025, 413777, 477435, 668409, 795725, 886665, 1114015, 1241331, 1477775, 2068885, 2387175, 2896439, 3342045, 4433325, 5570075, 6206655, 8689317, 10344425, 14482195, 16710225, 31033275, 43446585, 72410975, 217232925]

約数ペア:

[(1, 217232925), (3, 72410975), (5, 43446585), (7, 31033275), (13, 16710225), (15, 14482195), (21, 10344425), (25, 8689317), (35, 6206655), (39, 5570075), (49, 4433325), (65, 3342045), (75, 2896439), (91, 2387175), (105, 2068885), (147, 1477775), (175, 1241331), (195, 1114015), (245, 886665), (273, 795725), (325, 668409), (455, 477435), (525, 413777), (637, 341025), (735, 295555), (975, 222803), (1225, 177333), (1365, 159145), (1911, 113675), (2275, 95487), (3185, 68205), (3675, 59111), (4547, 47775), (6825, 31829), (9555, 22735), (13641, 15925)]