21270147405

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1231}}^1\times {\mathrm{88609}}^1$

素因数の和:89861

約数の個数: 32

約数和(自身を含む): 36680286720

約数和(自身を除く): 15410139315

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 1231, 3693, 6155, 16003, 18465, 48009, 80015, 88609, 240045, 265827, 443045, 1151917, 1329135, 3455751, 5759585, 17278755, 109077679, 327233037, 545388395, 1418009827, 1636165185, 4254029481, 7090049135, 21270147405]

約数ペア:

[(1, 21270147405), (3, 7090049135), (5, 4254029481), (13, 1636165185), (15, 1418009827), (39, 545388395), (65, 327233037), (195, 109077679), (1231, 17278755), (3693, 5759585), (6155, 3455751), (16003, 1329135), (18465, 1151917), (48009, 443045), (80015, 265827), (88609, 240045)]