39903975

素因数分解:

$3^3\times 5^2\times {\mathrm{31}}^1\times {\mathrm{1907}}^1$

素因数の和:1957

約数の個数: 48

約数和(自身を含む): 75709440

約数和(自身を除く): 35805465

約数列:

[1, 3, 5, 9, 15, 25, 27, 31, 45, 75, 93, 135, 155, 225, 279, 465, 675, 775, 837, 1395, 1907, 2325, 4185, 5721, 6975, 9535, 17163, 20925, 28605, 47675, 51489, 59117, 85815, 143025, 177351, 257445, 295585, 429075, 532053, 886755, 1287225, 1477925, 1596159, 2660265, 4433775, 7980795, 13301325, 39903975]

約数ペア:

[(1, 39903975), (3, 13301325), (5, 7980795), (9, 4433775), (15, 2660265), (25, 1596159), (27, 1477925), (31, 1287225), (45, 886755), (75, 532053), (93, 429075), (135, 295585), (155, 257445), (225, 177351), (279, 143025), (465, 85815), (675, 59117), (775, 51489), (837, 47675), (1395, 28605), (1907, 20925), (2325, 17163), (4185, 9535), (5721, 6975)]