219639609

素因数分解:

$3^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{29297}}^1$

素因数の和:29334

約数の個数: 36

約数和(自身を含む): 390776724

約数和(自身を除く): 171137115

約数列:

[1, 3, 7, 9, 17, 21, 49, 51, 63, 119, 147, 153, 357, 441, 833, 1071, 2499, 7497, 29297, 87891, 205079, 263673, 498049, 615237, 1435553, 1494147, 1845711, 3486343, 4306659, 4482441, 10459029, 12919977, 24404401, 31377087, 73213203, 219639609]

約数ペア:

[(1, 219639609), (3, 73213203), (7, 31377087), (9, 24404401), (17, 12919977), (21, 10459029), (49, 4482441), (51, 4306659), (63, 3486343), (119, 1845711), (147, 1494147), (153, 1435553), (357, 615237), (441, 498049), (833, 263673), (1071, 205079), (2499, 87891), (7497, 29297)]