18450201

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{53}}^1\times {\mathrm{137}}^1$

素因数の和:222

約数の個数: 48

約数和(自身を含む): 31715712

約数和(自身を除く): 13265511

約数列:

[1, 3, 7, 11, 21, 33, 53, 77, 121, 137, 159, 231, 363, 371, 411, 583, 847, 959, 1113, 1507, 1749, 2541, 2877, 4081, 4521, 6413, 7261, 10549, 12243, 16577, 19239, 21783, 31647, 44891, 49731, 50827, 79871, 116039, 134673, 152481, 239613, 348117, 559097, 878581, 1677291, 2635743, 6150067, 18450201]

約数ペア:

[(1, 18450201), (3, 6150067), (7, 2635743), (11, 1677291), (21, 878581), (33, 559097), (53, 348117), (77, 239613), (121, 152481), (137, 134673), (159, 116039), (231, 79871), (363, 50827), (371, 49731), (411, 44891), (583, 31647), (847, 21783), (959, 19239), (1113, 16577), (1507, 12243), (1749, 10549), (2541, 7261), (2877, 6413), (4081, 4521)]