23256405

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{251}}^1$

素因数の和:362

約数の個数: 48

約数和(自身を含む): 42456960

約数和(自身を除く): 19200555

約数列:

[1, 3, 5, 9, 15, 29, 45, 71, 87, 145, 213, 251, 261, 355, 435, 639, 753, 1065, 1255, 1305, 2059, 2259, 3195, 3765, 6177, 7279, 10295, 11295, 17821, 18531, 21837, 30885, 36395, 53463, 65511, 89105, 92655, 109185, 160389, 267315, 327555, 516809, 801945, 1550427, 2584045, 4651281, 7752135, 23256405]

約数ペア:

[(1, 23256405), (3, 7752135), (5, 4651281), (9, 2584045), (15, 1550427), (29, 801945), (45, 516809), (71, 327555), (87, 267315), (145, 160389), (213, 109185), (251, 92655), (261, 89105), (355, 65511), (435, 53463), (639, 36395), (753, 30885), (1065, 21837), (1255, 18531), (1305, 17821), (2059, 11295), (2259, 10295), (3195, 7279), (3765, 6177)]