211318155

素因数分解:

$3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{251}}^1\times {\mathrm{353}}^1$

素因数の和:668

約数の個数: 48

約数和(自身を含む): 375744096

約数和(自身を除く): 164425941

約数列:

[1, 3, 5, 9, 15, 45, 53, 159, 251, 265, 353, 477, 753, 795, 1059, 1255, 1765, 2259, 2385, 3177, 3765, 5295, 11295, 13303, 15885, 18709, 39909, 56127, 66515, 88603, 93545, 119727, 168381, 199545, 265809, 280635, 443015, 598635, 797427, 841905, 1329045, 3987135, 4695959, 14087877, 23479795, 42263631, 70439385, 211318155]

約数ペア:

[(1, 211318155), (3, 70439385), (5, 42263631), (9, 23479795), (15, 14087877), (45, 4695959), (53, 3987135), (159, 1329045), (251, 841905), (265, 797427), (353, 598635), (477, 443015), (753, 280635), (795, 265809), (1059, 199545), (1255, 168381), (1765, 119727), (2259, 93545), (2385, 88603), (3177, 66515), (3765, 56127), (5295, 39909), (11295, 18709), (13303, 15885)]