29879775

素因数分解:

$3^2\times 5^2\times {\mathrm{41}}^2\times {\mathrm{79}}^1$

素因数の和:177

約数の個数: 54

約数和(自身を含む): 55549520

約数和(自身を除く): 25669745

約数列:

[1, 3, 5, 9, 15, 25, 41, 45, 75, 79, 123, 205, 225, 237, 369, 395, 615, 711, 1025, 1185, 1681, 1845, 1975, 3075, 3239, 3555, 5043, 5925, 8405, 9225, 9717, 15129, 16195, 17775, 25215, 29151, 42025, 48585, 75645, 80975, 126075, 132799, 145755, 242925, 378225, 398397, 663995, 728775, 1195191, 1991985, 3319975, 5975955, 9959925, 29879775]

約数ペア:

[(1, 29879775), (3, 9959925), (5, 5975955), (9, 3319975), (15, 1991985), (25, 1195191), (41, 728775), (45, 663995), (75, 398397), (79, 378225), (123, 242925), (205, 145755), (225, 132799), (237, 126075), (369, 80975), (395, 75645), (615, 48585), (711, 42025), (1025, 29151), (1185, 25215), (1681, 17775), (1845, 16195), (1975, 15129), (3075, 9717), (3239, 9225), (3555, 8405), (5043, 5925)]