81675468

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{101}}^1\times {\mathrm{3209}}^1$

素因数の和:3327

約数の個数: 72

約数和(自身を含む): 238361760

約数和(自身を除く): 156686292

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 101, 126, 202, 252, 303, 404, 606, 707, 909, 1212, 1414, 1818, 2121, 2828, 3209, 3636, 4242, 6363, 6418, 8484, 9627, 12726, 12836, 19254, 22463, 25452, 28881, 38508, 44926, 57762, 67389, 89852, 115524, 134778, 202167, 269556, 324109, 404334, 648218, 808668, 972327, 1296436, 1944654, 2268763, 2916981, 3889308, 4537526, 5833962, 6806289, 9075052, 11667924, 13612578, 20418867, 27225156, 40837734, 81675468]

約数ペア:

[(1, 81675468), (2, 40837734), (3, 27225156), (4, 20418867), (6, 13612578), (7, 11667924), (9, 9075052), (12, 6806289), (14, 5833962), (18, 4537526), (21, 3889308), (28, 2916981), (36, 2268763), (42, 1944654), (63, 1296436), (84, 972327), (101, 808668), (126, 648218), (202, 404334), (252, 324109), (303, 269556), (404, 202167), (606, 134778), (707, 115524), (909, 89852), (1212, 67389), (1414, 57762), (1818, 44926), (2121, 38508), (2828, 28881), (3209, 25452), (3636, 22463), (4242, 19254), (6363, 12836), (6418, 12726), (8484, 9627)]