212976183

素因数分解:

$3^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{229}}^1\times {\mathrm{661}}^1$

素因数の和:967

約数の個数: 32

約数和(自身を含む): 331317760

約数和(自身を除く): 118341577

約数列:

[1, 3, 7, 21, 67, 201, 229, 469, 661, 687, 1407, 1603, 1983, 4627, 4809, 13881, 15343, 44287, 46029, 107401, 132861, 151369, 310009, 322203, 454107, 930027, 1059583, 3178749, 10141723, 30425169, 70992061, 212976183]

約数ペア:

[(1, 212976183), (3, 70992061), (7, 30425169), (21, 10141723), (67, 3178749), (201, 1059583), (229, 930027), (469, 454107), (661, 322203), (687, 310009), (1407, 151369), (1603, 132861), (1983, 107401), (4627, 46029), (4809, 44287), (13881, 15343)]