31294809

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{271}}^1$

素因数の和:347

約数の個数: 64

約数和(自身を含む): 58490880

約数和(自身を除く): 27196071

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 47, 63, 91, 117, 141, 189, 271, 273, 329, 351, 423, 611, 813, 819, 987, 1269, 1833, 1897, 2439, 2457, 2961, 3523, 4277, 5499, 5691, 7317, 8883, 10569, 12737, 12831, 16497, 17073, 24661, 31707, 38211, 38493, 51219, 73983, 89159, 95121, 114633, 115479, 165581, 221949, 267477, 343899, 496743, 665847, 802431, 1159067, 1490229, 2407293, 3477201, 4470687, 10431603, 31294809]

約数ペア:

[(1, 31294809), (3, 10431603), (7, 4470687), (9, 3477201), (13, 2407293), (21, 1490229), (27, 1159067), (39, 802431), (47, 665847), (63, 496743), (91, 343899), (117, 267477), (141, 221949), (189, 165581), (271, 115479), (273, 114633), (329, 95121), (351, 89159), (423, 73983), (611, 51219), (813, 38493), (819, 38211), (987, 31707), (1269, 24661), (1833, 17073), (1897, 16497), (2439, 12831), (2457, 12737), (2961, 10569), (3523, 8883), (4277, 7317), (5499, 5691)]