31780983

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{271}}^1$

素因数の和:415

約数の個数: 32

約数和(自身を含む): 47767552

約数和(自身を除く): 15986569

約数列:

[1, 3, 13, 31, 39, 93, 97, 271, 291, 403, 813, 1209, 1261, 3007, 3523, 3783, 8401, 9021, 10569, 25203, 26287, 39091, 78861, 109213, 117273, 327639, 341731, 814897, 1025193, 2444691, 10593661, 31780983]

約数ペア:

[(1, 31780983), (3, 10593661), (13, 2444691), (31, 1025193), (39, 814897), (93, 341731), (97, 327639), (271, 117273), (291, 109213), (403, 78861), (813, 39091), (1209, 26287), (1261, 25203), (3007, 10569), (3523, 9021), (3783, 8401)]