71531265

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{389}}^1$

素因数の和:474

約数の個数: 64

約数和(自身を含む): 132088320

約数和(自身を除く): 60557055

約数列:

[1, 3, 5, 13, 15, 23, 39, 41, 65, 69, 115, 123, 195, 205, 299, 345, 389, 533, 615, 897, 943, 1167, 1495, 1599, 1945, 2665, 2829, 4485, 4715, 5057, 5835, 7995, 8947, 12259, 14145, 15171, 15949, 25285, 26841, 36777, 44735, 47847, 61295, 75855, 79745, 116311, 134205, 183885, 207337, 239235, 348933, 366827, 581555, 622011, 1036685, 1100481, 1744665, 1834135, 3110055, 4768751, 5502405, 14306253, 23843755, 71531265]

約数ペア:

[(1, 71531265), (3, 23843755), (5, 14306253), (13, 5502405), (15, 4768751), (23, 3110055), (39, 1834135), (41, 1744665), (65, 1100481), (69, 1036685), (115, 622011), (123, 581555), (195, 366827), (205, 348933), (299, 239235), (345, 207337), (389, 183885), (533, 134205), (615, 116311), (897, 79745), (943, 75855), (1167, 61295), (1495, 47847), (1599, 44735), (1945, 36777), (2665, 26841), (2829, 25285), (4485, 15949), (4715, 15171), (5057, 14145), (5835, 12259), (7995, 8947)]