18378317691

素因数分解:

$3^5\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{42899}}^1$

素因数の和:42998

約数の個数: 48

約数和(自身を含む): 28857628800

約数和(自身を除く): 10479311109

約数列:

[1, 3, 9, 27, 41, 43, 81, 123, 129, 243, 369, 387, 1107, 1161, 1763, 3321, 3483, 5289, 9963, 10449, 15867, 42899, 47601, 128697, 142803, 386091, 428409, 1158273, 1758859, 1844657, 3474819, 5276577, 5533971, 10424457, 15829731, 16601913, 47489193, 49805739, 75630937, 142467579, 149417217, 226892811, 427402737, 448251651, 680678433, 2042035299, 6126105897, 18378317691]

約数ペア:

[(1, 18378317691), (3, 6126105897), (9, 2042035299), (27, 680678433), (41, 448251651), (43, 427402737), (81, 226892811), (123, 149417217), (129, 142467579), (243, 75630937), (369, 49805739), (387, 47489193), (1107, 16601913), (1161, 15829731), (1763, 10424457), (3321, 5533971), (3483, 5276577), (5289, 3474819), (9963, 1844657), (10449, 1758859), (15867, 1158273), (42899, 428409), (47601, 386091), (128697, 142803)]