72978975

素因数分解:

$3^5\times 5^2\times {\mathrm{41}}^1\times {\mathrm{293}}^1$

素因数の和:359

約数の個数: 72

約数和(自身を含む): 139334832

約数和(自身を除く): 66355857

約数列:

[1, 3, 5, 9, 15, 25, 27, 41, 45, 75, 81, 123, 135, 205, 225, 243, 293, 369, 405, 615, 675, 879, 1025, 1107, 1215, 1465, 1845, 2025, 2637, 3075, 3321, 4395, 5535, 6075, 7325, 7911, 9225, 9963, 12013, 13185, 16605, 21975, 23733, 27675, 36039, 39555, 49815, 60065, 65925, 71199, 83025, 108117, 118665, 180195, 197775, 249075, 300325, 324351, 355995, 540585, 593325, 900975, 973053, 1621755, 1779975, 2702925, 2919159, 4865265, 8108775, 14595795, 24326325, 72978975]

約数ペア:

[(1, 72978975), (3, 24326325), (5, 14595795), (9, 8108775), (15, 4865265), (25, 2919159), (27, 2702925), (41, 1779975), (45, 1621755), (75, 973053), (81, 900975), (123, 593325), (135, 540585), (205, 355995), (225, 324351), (243, 300325), (293, 249075), (369, 197775), (405, 180195), (615, 118665), (675, 108117), (879, 83025), (1025, 71199), (1107, 65925), (1215, 60065), (1465, 49815), (1845, 39555), (2025, 36039), (2637, 27675), (3075, 23733), (3321, 21975), (4395, 16605), (5535, 13185), (6075, 12013), (7325, 9963), (7911, 9225)]