64943775

素因数分解:

$3^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{2467}}^1$

素因数の和:2502

約数の個数: 60

約数和(自身を含む): 129604552

約数和(自身を除く): 64660777

約数列:

[1, 3, 5, 9, 13, 15, 25, 27, 39, 45, 65, 75, 81, 117, 135, 195, 225, 325, 351, 405, 585, 675, 975, 1053, 1755, 2025, 2467, 2925, 5265, 7401, 8775, 12335, 22203, 26325, 32071, 37005, 61675, 66609, 96213, 111015, 160355, 185025, 199827, 288639, 333045, 481065, 555075, 801775, 865917, 999135, 1443195, 1665225, 2405325, 2597751, 4329585, 4995675, 7215975, 12988755, 21647925, 64943775]

約数ペア:

[(1, 64943775), (3, 21647925), (5, 12988755), (9, 7215975), (13, 4995675), (15, 4329585), (25, 2597751), (27, 2405325), (39, 1665225), (45, 1443195), (65, 999135), (75, 865917), (81, 801775), (117, 555075), (135, 481065), (195, 333045), (225, 288639), (325, 199827), (351, 185025), (405, 160355), (585, 111015), (675, 96213), (975, 66609), (1053, 61675), (1755, 37005), (2025, 32071), (2467, 26325), (2925, 22203), (5265, 12335), (7401, 8775)]