679248747

素因数分解:

$3^4\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{2663}}^1$

素因数の和:2789

約数の個数: 40

約数和(自身を含む): 1052130816

約数和(自身を除く): 372882069

約数列:

[1, 3, 9, 27, 47, 67, 81, 141, 201, 423, 603, 1269, 1809, 2663, 3149, 3807, 5427, 7989, 9447, 23967, 28341, 71901, 85023, 125161, 178421, 215703, 255069, 375483, 535263, 1126449, 1605789, 3379347, 4817367, 8385787, 10138041, 14452101, 25157361, 75472083, 226416249, 679248747]

約数ペア:

[(1, 679248747), (3, 226416249), (9, 75472083), (27, 25157361), (47, 14452101), (67, 10138041), (81, 8385787), (141, 4817367), (201, 3379347), (423, 1605789), (603, 1126449), (1269, 535263), (1809, 375483), (2663, 255069), (3149, 215703), (3807, 178421), (5427, 125161), (7989, 85023), (9447, 71901), (23967, 28341)]