81678618

素因数分解:

$2^1\times 3^6\times 7^1\times {\mathrm{53}}^1\times {\mathrm{151}}^1$

素因数の和:231

約数の個数: 112

約数和(自身を含む): 215312256

約数和(自身を除く): 133633638

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 53, 54, 63, 81, 106, 126, 151, 159, 162, 189, 243, 302, 318, 371, 378, 453, 477, 486, 567, 729, 742, 906, 954, 1057, 1113, 1134, 1359, 1431, 1458, 1701, 2114, 2226, 2718, 2862, 3171, 3339, 3402, 4077, 4293, 5103, 6342, 6678, 8003, 8154, 8586, 9513, 10017, 10206, 12231, 12879, 16006, 19026, 20034, 24009, 24462, 25758, 28539, 30051, 36693, 38637, 48018, 56021, 57078, 60102, 72027, 73386, 77274, 85617, 90153, 110079, 112042, 144054, 168063, 171234, 180306, 216081, 220158, 256851, 270459, 336126, 432162, 504189, 513702, 540918, 648243, 770553, 1008378, 1296486, 1512567, 1541106, 1944729, 3025134, 3889458, 4537701, 5834187, 9075402, 11668374, 13613103, 27226206, 40839309, 81678618]

約数ペア:

[(1, 81678618), (2, 40839309), (3, 27226206), (6, 13613103), (7, 11668374), (9, 9075402), (14, 5834187), (18, 4537701), (21, 3889458), (27, 3025134), (42, 1944729), (53, 1541106), (54, 1512567), (63, 1296486), (81, 1008378), (106, 770553), (126, 648243), (151, 540918), (159, 513702), (162, 504189), (189, 432162), (243, 336126), (302, 270459), (318, 256851), (371, 220158), (378, 216081), (453, 180306), (477, 171234), (486, 168063), (567, 144054), (729, 112042), (742, 110079), (906, 90153), (954, 85617), (1057, 77274), (1113, 73386), (1134, 72027), (1359, 60102), (1431, 57078), (1458, 56021), (1701, 48018), (2114, 38637), (2226, 36693), (2718, 30051), (2862, 28539), (3171, 25758), (3339, 24462), (3402, 24009), (4077, 20034), (4293, 19026), (5103, 16006), (6342, 12879), (6678, 12231), (8003, 10206), (8154, 10017), (8586, 9513)]