238972671

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{1103}}^1$

素因数の和:1316

約数の個数: 48

約数和(自身を含む): 417930240

約数和(自身を除く): 178957569

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 181, 399, 543, 1103, 1197, 1267, 1629, 3309, 3439, 3801, 7721, 9927, 10317, 11403, 20957, 23163, 24073, 30951, 62871, 69489, 72219, 146699, 188613, 199643, 216657, 440097, 598929, 1320291, 1397501, 1796787, 3793217, 4192503, 11379651, 12577509, 26552519, 34138953, 79657557, 238972671]

約数ペア:

[(1, 238972671), (3, 79657557), (7, 34138953), (9, 26552519), (19, 12577509), (21, 11379651), (57, 4192503), (63, 3793217), (133, 1796787), (171, 1397501), (181, 1320291), (399, 598929), (543, 440097), (1103, 216657), (1197, 199643), (1267, 188613), (1629, 146699), (3309, 72219), (3439, 69489), (3801, 62871), (7721, 30951), (9927, 24073), (10317, 23163), (11403, 20957)]