13988331

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{353}}^1$

素因数の和:420

約数の個数: 48

約数和(自身を含む): 25182144

約数和(自身を除く): 11193813

約数列:

[1, 3, 7, 9, 17, 21, 37, 51, 63, 111, 119, 153, 259, 333, 353, 357, 629, 777, 1059, 1071, 1887, 2331, 2471, 3177, 4403, 5661, 6001, 7413, 13061, 13209, 18003, 22239, 39183, 39627, 42007, 54009, 91427, 117549, 126021, 222037, 274281, 378063, 666111, 822843, 1554259, 1998333, 4662777, 13988331]

約数ペア:

[(1, 13988331), (3, 4662777), (7, 1998333), (9, 1554259), (17, 822843), (21, 666111), (37, 378063), (51, 274281), (63, 222037), (111, 126021), (119, 117549), (153, 91427), (259, 54009), (333, 42007), (353, 39627), (357, 39183), (629, 22239), (777, 18003), (1059, 13209), (1071, 13061), (1887, 7413), (2331, 6001), (2471, 5661), (3177, 4403)]