47901789

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{281}}^1$

素因数の和:378

約数の個数: 48

約数和(自身を含む): 78833664

約数和(自身を除く): 30931875

約数列:

[1, 3, 9, 13, 31, 39, 47, 93, 117, 141, 279, 281, 403, 423, 611, 843, 1209, 1457, 1833, 2529, 3627, 3653, 4371, 5499, 8711, 10959, 13113, 13207, 18941, 26133, 32877, 39621, 56823, 78399, 113243, 118863, 170469, 171691, 339729, 409417, 515073, 1019187, 1228251, 1545219, 3684753, 5322421, 15967263, 47901789]

約数ペア:

[(1, 47901789), (3, 15967263), (9, 5322421), (13, 3684753), (31, 1545219), (39, 1228251), (47, 1019187), (93, 515073), (117, 409417), (141, 339729), (279, 171691), (281, 170469), (403, 118863), (423, 113243), (611, 78399), (843, 56823), (1209, 39621), (1457, 32877), (1833, 26133), (2529, 18941), (3627, 13207), (3653, 13113), (4371, 10959), (5499, 8711)]