7292481

素因数分解:

$3^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1$

素因数の和:221

約数の個数: 32

約数和(自身を含む): 11593728

約数和(自身を除く): 4301247

約数列:

[1, 3, 7, 21, 67, 71, 73, 201, 213, 219, 469, 497, 511, 1407, 1491, 1533, 4757, 4891, 5183, 14271, 14673, 15549, 33299, 34237, 36281, 99897, 102711, 108843, 347261, 1041783, 2430827, 7292481]

約数ペア:

[(1, 7292481), (3, 2430827), (7, 1041783), (21, 347261), (67, 108843), (71, 102711), (73, 99897), (201, 36281), (213, 34237), (219, 33299), (469, 15549), (497, 14673), (511, 14271), (1407, 5183), (1491, 4891), (1533, 4757)]