67985775

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2113}}^1$

素因数の和:2153

約数の個数: 72

約数和(自身を含む): 143126256

約数和(自身を除く): 75140481

約数列:

[1, 3, 5, 9, 11, 13, 15, 25, 33, 39, 45, 55, 65, 75, 99, 117, 143, 165, 195, 225, 275, 325, 429, 495, 585, 715, 825, 975, 1287, 2113, 2145, 2475, 2925, 3575, 6339, 6435, 10565, 10725, 19017, 23243, 27469, 31695, 32175, 52825, 69729, 82407, 95085, 116215, 137345, 158475, 209187, 247221, 302159, 348645, 412035, 475425, 581075, 686725, 906477, 1045935, 1236105, 1510795, 1743225, 2060175, 2719431, 4532385, 5229675, 6180525, 7553975, 13597155, 22661925, 67985775]

約数ペア:

[(1, 67985775), (3, 22661925), (5, 13597155), (9, 7553975), (11, 6180525), (13, 5229675), (15, 4532385), (25, 2719431), (33, 2060175), (39, 1743225), (45, 1510795), (55, 1236105), (65, 1045935), (75, 906477), (99, 686725), (117, 581075), (143, 475425), (165, 412035), (195, 348645), (225, 302159), (275, 247221), (325, 209187), (429, 158475), (495, 137345), (585, 116215), (715, 95085), (825, 82407), (975, 69729), (1287, 52825), (2113, 32175), (2145, 31695), (2475, 27469), (2925, 23243), (3575, 19017), (6339, 10725), (6435, 10565)]