8981091

素因数分解:

$3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1$

素因数の和:137

約数の個数: 64

約数和(自身を含む): 16665600

約数和(自身を除く): 7684509

約数列:

[1, 3, 7, 9, 19, 21, 27, 41, 57, 61, 63, 123, 133, 171, 183, 189, 287, 369, 399, 427, 513, 549, 779, 861, 1107, 1159, 1197, 1281, 1647, 2337, 2501, 2583, 3477, 3591, 3843, 5453, 7011, 7503, 7749, 8113, 10431, 11529, 16359, 17507, 21033, 22509, 24339, 31293, 47519, 49077, 52521, 67527, 73017, 142557, 147231, 157563, 219051, 332633, 427671, 472689, 997899, 1283013, 2993697, 8981091]

約数ペア:

[(1, 8981091), (3, 2993697), (7, 1283013), (9, 997899), (19, 472689), (21, 427671), (27, 332633), (41, 219051), (57, 157563), (61, 147231), (63, 142557), (123, 73017), (133, 67527), (171, 52521), (183, 49077), (189, 47519), (287, 31293), (369, 24339), (399, 22509), (427, 21033), (513, 17507), (549, 16359), (779, 11529), (861, 10431), (1107, 8113), (1159, 7749), (1197, 7503), (1281, 7011), (1647, 5453), (2337, 3843), (2501, 3591), (2583, 3477)]