25200855

素因数分解:

$3^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{157}}^1$

素因数の和:241

約数の個数: 64

約数和(自身を含む): 47779200

約数和(自身を除く): 22578345

約数列:

[1, 3, 5, 9, 15, 27, 29, 41, 45, 87, 123, 135, 145, 157, 205, 261, 369, 435, 471, 615, 783, 785, 1107, 1189, 1305, 1413, 1845, 2355, 3567, 3915, 4239, 4553, 5535, 5945, 6437, 7065, 10701, 13659, 17835, 19311, 21195, 22765, 32103, 32185, 40977, 53505, 57933, 68295, 96555, 122931, 160515, 173799, 186673, 204885, 289665, 560019, 614655, 868995, 933365, 1680057, 2800095, 5040171, 8400285, 25200855]

約数ペア:

[(1, 25200855), (3, 8400285), (5, 5040171), (9, 2800095), (15, 1680057), (27, 933365), (29, 868995), (41, 614655), (45, 560019), (87, 289665), (123, 204885), (135, 186673), (145, 173799), (157, 160515), (205, 122931), (261, 96555), (369, 68295), (435, 57933), (471, 53505), (615, 40977), (783, 32185), (785, 32103), (1107, 22765), (1189, 21195), (1305, 19311), (1413, 17835), (1845, 13659), (2355, 10701), (3567, 7065), (3915, 6437), (4239, 5945), (4553, 5535)]