218274273

素因数分解:

$3^2\times 7^2\times {\mathrm{173}}^1\times {\mathrm{2861}}^1$

素因数の和:3054

約数の個数: 36

約数和(自身を含む): 369009108

約数和(自身を除く): 150734835

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 173, 441, 519, 1211, 1557, 2861, 3633, 8477, 8583, 10899, 20027, 25431, 25749, 60081, 76293, 140189, 180243, 420567, 494953, 1261701, 1484859, 3464671, 4454577, 10394013, 24252697, 31182039, 72758091, 218274273]

約数ペア:

[(1, 218274273), (3, 72758091), (7, 31182039), (9, 24252697), (21, 10394013), (49, 4454577), (63, 3464671), (147, 1484859), (173, 1261701), (441, 494953), (519, 420567), (1211, 180243), (1557, 140189), (2861, 76293), (3633, 60081), (8477, 25749), (8583, 25431), (10899, 20027)]