13243965

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{487}}^1$

素因数の和:546

約数の個数: 48

約数和(自身を含む): 25368192

約数和(自身を除く): 12124227

約数列:

[1, 3, 5, 7, 15, 21, 35, 37, 49, 105, 111, 147, 185, 245, 259, 487, 555, 735, 777, 1295, 1461, 1813, 2435, 3409, 3885, 5439, 7305, 9065, 10227, 17045, 18019, 23863, 27195, 51135, 54057, 71589, 90095, 119315, 126133, 270285, 357945, 378399, 630665, 882931, 1891995, 2648793, 4414655, 13243965]

約数ペア:

[(1, 13243965), (3, 4414655), (5, 2648793), (7, 1891995), (15, 882931), (21, 630665), (35, 378399), (37, 357945), (49, 270285), (105, 126133), (111, 119315), (147, 90095), (185, 71589), (245, 54057), (259, 51135), (487, 27195), (555, 23863), (735, 18019), (777, 17045), (1295, 10227), (1461, 9065), (1813, 7305), (2435, 5439), (3409, 3885)]