90163905

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{10753}}^1$

素因数の和:10817

約数の個数: 32

約数和(自身を含む): 158987136

約数和(自身を除く): 68823231

約数列:

[1, 3, 5, 13, 15, 39, 43, 65, 129, 195, 215, 559, 645, 1677, 2795, 8385, 10753, 32259, 53765, 139789, 161295, 419367, 462379, 698945, 1387137, 2096835, 2311895, 6010927, 6935685, 18032781, 30054635, 90163905]

約数ペア:

[(1, 90163905), (3, 30054635), (5, 18032781), (13, 6935685), (15, 6010927), (39, 2311895), (43, 2096835), (65, 1387137), (129, 698945), (195, 462379), (215, 419367), (559, 161295), (645, 139789), (1677, 53765), (2795, 32259), (8385, 10753)]