83172159

素因数分解:

$3^2\times 7^2\times {\mathrm{151}}^1\times {\mathrm{1249}}^1$

素因数の和:1420

約数の個数: 36

約数和(自身を含む): 140790000

約数和(自身を除く): 57617841

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 151, 441, 453, 1057, 1249, 1359, 3171, 3747, 7399, 8743, 9513, 11241, 22197, 26229, 61201, 66591, 78687, 183603, 188599, 550809, 565797, 1320193, 1697391, 3960579, 9241351, 11881737, 27724053, 83172159]

約数ペア:

[(1, 83172159), (3, 27724053), (7, 11881737), (9, 9241351), (21, 3960579), (49, 1697391), (63, 1320193), (147, 565797), (151, 550809), (441, 188599), (453, 183603), (1057, 78687), (1249, 66591), (1359, 61201), (3171, 26229), (3747, 22197), (7399, 11241), (8743, 9513)]