31043445

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1$

素因数の和:194

約数の個数: 64

約数和(自身を含む): 56401920

約数和(自身を除く): 25358475

約数列:

[1, 3, 5, 15, 17, 23, 51, 67, 69, 79, 85, 115, 201, 237, 255, 335, 345, 391, 395, 1005, 1139, 1173, 1185, 1343, 1541, 1817, 1955, 3417, 4029, 4623, 5293, 5451, 5695, 5865, 6715, 7705, 9085, 15879, 17085, 20145, 23115, 26197, 26465, 27255, 30889, 78591, 79395, 89981, 92667, 121739, 130985, 154445, 269943, 365217, 392955, 449905, 463335, 608695, 1349715, 1826085, 2069563, 6208689, 10347815, 31043445]

約数ペア:

[(1, 31043445), (3, 10347815), (5, 6208689), (15, 2069563), (17, 1826085), (23, 1349715), (51, 608695), (67, 463335), (69, 449905), (79, 392955), (85, 365217), (115, 269943), (201, 154445), (237, 130985), (255, 121739), (335, 92667), (345, 89981), (391, 79395), (395, 78591), (1005, 30889), (1139, 27255), (1173, 26465), (1185, 26197), (1343, 23115), (1541, 20145), (1817, 17085), (1955, 15879), (3417, 9085), (4029, 7705), (4623, 6715), (5293, 5865), (5451, 5695)]