66145779

素因数分解:

$3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{251}}^1$

素因数の和:400

約数の個数: 48

約数和(自身を含む): 113218560

約数和(自身を除く): 47072781

約数列:

[1, 3, 7, 9, 21, 47, 63, 89, 141, 251, 267, 329, 423, 623, 753, 801, 987, 1757, 1869, 2259, 2961, 4183, 5271, 5607, 11797, 12549, 15813, 22339, 29281, 35391, 37647, 67017, 82579, 87843, 106173, 156373, 201051, 247737, 263529, 469119, 743211, 1049933, 1407357, 3149799, 7349531, 9449397, 22048593, 66145779]

約数ペア:

[(1, 66145779), (3, 22048593), (7, 9449397), (9, 7349531), (21, 3149799), (47, 1407357), (63, 1049933), (89, 743211), (141, 469119), (251, 263529), (267, 247737), (329, 201051), (423, 156373), (623, 106173), (753, 87843), (801, 82579), (987, 67017), (1757, 37647), (1869, 35391), (2259, 29281), (2961, 22339), (4183, 15813), (5271, 12549), (5607, 11797)]