210944415

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{479}}^1$

素因数の和:672

約数の個数: 64

約数和(自身を含む): 393154560

約数和(自身を除く): 182210145

約数列:

[1, 3, 5, 11, 15, 17, 33, 51, 55, 85, 157, 165, 187, 255, 471, 479, 561, 785, 935, 1437, 1727, 2355, 2395, 2669, 2805, 5181, 5269, 7185, 8007, 8143, 8635, 13345, 15807, 24429, 25905, 26345, 29359, 40035, 40715, 75203, 79035, 88077, 89573, 122145, 146795, 225609, 268719, 376015, 440385, 447865, 827233, 1128045, 1278451, 1343595, 2481699, 3835353, 4136165, 6392255, 12408495, 14062961, 19176765, 42188883, 70314805, 210944415]

約数ペア:

[(1, 210944415), (3, 70314805), (5, 42188883), (11, 19176765), (15, 14062961), (17, 12408495), (33, 6392255), (51, 4136165), (55, 3835353), (85, 2481699), (157, 1343595), (165, 1278451), (187, 1128045), (255, 827233), (471, 447865), (479, 440385), (561, 376015), (785, 268719), (935, 225609), (1437, 146795), (1727, 122145), (2355, 89573), (2395, 88077), (2669, 79035), (2805, 75203), (5181, 40715), (5269, 40035), (7185, 29359), (8007, 26345), (8143, 25905), (8635, 24429), (13345, 15807)]