400751247

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{263}}^1\times {\mathrm{439}}^1$

素因数の和:807

約数の個数: 32

約数和(自身を含む): 585446400

約数和(自身を除く): 184695153

約数列:

[1, 3, 13, 39, 89, 263, 267, 439, 789, 1157, 1317, 3419, 3471, 5707, 10257, 17121, 23407, 39071, 70221, 115457, 117213, 304291, 346371, 507923, 912873, 1500941, 1523769, 4502823, 10275673, 30827019, 133583749, 400751247]

約数ペア:

[(1, 400751247), (3, 133583749), (13, 30827019), (39, 10275673), (89, 4502823), (263, 1523769), (267, 1500941), (439, 912873), (789, 507923), (1157, 346371), (1317, 304291), (3419, 117213), (3471, 115457), (5707, 70221), (10257, 39071), (17121, 23407)]