78441657

素因数分解:

$3^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{197}}^1\times {\mathrm{283}}^1$

素因数の和:557

約数の個数: 32

約数和(自身を含む): 122360832

約数和(自身を除く): 43919175

約数列:

[1, 3, 7, 21, 67, 197, 201, 283, 469, 591, 849, 1379, 1407, 1981, 4137, 5943, 13199, 18961, 39597, 55751, 56883, 92393, 132727, 167253, 277179, 390257, 398181, 1170771, 3735317, 11205951, 26147219, 78441657]

約数ペア:

[(1, 78441657), (3, 26147219), (7, 11205951), (21, 3735317), (67, 1170771), (197, 398181), (201, 390257), (283, 277179), (469, 167253), (591, 132727), (849, 92393), (1379, 56883), (1407, 55751), (1981, 39597), (4137, 18961), (5943, 13199)]