66884769

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{787}}^1$

素因数の和:890

約数の個数: 48

約数和(自身を含む): 118010880

約数和(自身を除く): 51126111

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 71, 133, 171, 213, 399, 497, 639, 787, 1197, 1349, 1491, 2361, 4047, 4473, 5509, 7083, 9443, 12141, 14953, 16527, 28329, 44859, 49581, 55877, 84987, 104671, 134577, 167631, 314013, 391139, 502893, 942039, 1061663, 1173417, 3184989, 3520251, 7431641, 9554967, 22294923, 66884769]

約数ペア:

[(1, 66884769), (3, 22294923), (7, 9554967), (9, 7431641), (19, 3520251), (21, 3184989), (57, 1173417), (63, 1061663), (71, 942039), (133, 502893), (171, 391139), (213, 314013), (399, 167631), (497, 134577), (639, 104671), (787, 84987), (1197, 55877), (1349, 49581), (1491, 44859), (2361, 28329), (4047, 16527), (4473, 14953), (5509, 12141), (7083, 9443)]