31397877

素因数分解:

$3^2\times 7^4\times {\mathrm{1453}}^1$

素因数の和:1487

約数の個数: 30

約数和(自身を含む): 52944502

約数和(自身を除く): 21546625

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 343, 441, 1029, 1453, 2401, 3087, 4359, 7203, 10171, 13077, 21609, 30513, 71197, 91539, 213591, 498379, 640773, 1495137, 3488653, 4485411, 10465959, 31397877]

約数ペア:

[(1, 31397877), (3, 10465959), (7, 4485411), (9, 3488653), (21, 1495137), (49, 640773), (63, 498379), (147, 213591), (343, 91539), (441, 71197), (1029, 30513), (1453, 21609), (2401, 13077), (3087, 10171), (4359, 7203)]