31304949

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{311}}^1$

素因数の和:445

約数の個数: 32

約数和(自身を含む): 47174400

約数和(自身を除く): 15869451

約数列:

[1, 3, 13, 29, 39, 87, 89, 267, 311, 377, 933, 1131, 1157, 2581, 3471, 4043, 7743, 9019, 12129, 27057, 27679, 33553, 83037, 100659, 117247, 351741, 359827, 802691, 1079481, 2408073, 10434983, 31304949]

約数ペア:

[(1, 31304949), (3, 10434983), (13, 2408073), (29, 1079481), (39, 802691), (87, 359827), (89, 351741), (267, 117247), (311, 100659), (377, 83037), (933, 33553), (1131, 27679), (1157, 27057), (2581, 12129), (3471, 9019), (4043, 7743)]