31399245

素因数分解:

$3^5\times 5^1\times {\mathrm{43}}^1\times {\mathrm{601}}^1$

素因数の和:664

約数の個数: 48

約数和(自身を含む): 57849792

約数和(自身を除く): 26450547

約数列:

[1, 3, 5, 9, 15, 27, 43, 45, 81, 129, 135, 215, 243, 387, 405, 601, 645, 1161, 1215, 1803, 1935, 3005, 3483, 5409, 5805, 9015, 10449, 16227, 17415, 25843, 27045, 48681, 52245, 77529, 81135, 129215, 146043, 232587, 243405, 387645, 697761, 730215, 1162935, 2093283, 3488805, 6279849, 10466415, 31399245]

約数ペア:

[(1, 31399245), (3, 10466415), (5, 6279849), (9, 3488805), (15, 2093283), (27, 1162935), (43, 730215), (45, 697761), (81, 387645), (129, 243405), (135, 232587), (215, 146043), (243, 129215), (387, 81135), (405, 77529), (601, 52245), (645, 48681), (1161, 27045), (1215, 25843), (1803, 17415), (1935, 16227), (3005, 10449), (3483, 9015), (5409, 5805)]