29980275

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{317}}^1$

素因数の和:440

約数の個数: 48

約数和(自身を含む): 54100704

約数和(自身を除く): 24120429

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 97, 195, 291, 317, 325, 485, 951, 975, 1261, 1455, 1585, 2425, 3783, 4121, 4755, 6305, 7275, 7925, 12363, 18915, 20605, 23775, 30749, 31525, 61815, 92247, 94575, 103025, 153745, 309075, 399737, 461235, 768725, 1199211, 1998685, 2306175, 5996055, 9993425, 29980275]

約数ペア:

[(1, 29980275), (3, 9993425), (5, 5996055), (13, 2306175), (15, 1998685), (25, 1199211), (39, 768725), (65, 461235), (75, 399737), (97, 309075), (195, 153745), (291, 103025), (317, 94575), (325, 92247), (485, 61815), (951, 31525), (975, 30749), (1261, 23775), (1455, 20605), (1585, 18915), (2425, 12363), (3783, 7925), (4121, 7275), (4755, 6305)]