49515615

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{1997}}^1$

素因数の和:2056

約数の個数: 48

約数和(自身を含む): 93506400

約数和(自身を除く): 43990785

約数列:

[1, 3, 5, 9, 15, 19, 29, 45, 57, 87, 95, 145, 171, 261, 285, 435, 551, 855, 1305, 1653, 1997, 2755, 4959, 5991, 8265, 9985, 17973, 24795, 29955, 37943, 57913, 89865, 113829, 173739, 189715, 289565, 341487, 521217, 569145, 868695, 1100347, 1707435, 2606085, 3301041, 5501735, 9903123, 16505205, 49515615]

約数ペア:

[(1, 49515615), (3, 16505205), (5, 9903123), (9, 5501735), (15, 3301041), (19, 2606085), (29, 1707435), (45, 1100347), (57, 868695), (87, 569145), (95, 521217), (145, 341487), (171, 289565), (261, 189715), (285, 173739), (435, 113829), (551, 89865), (855, 57913), (1305, 37943), (1653, 29955), (1997, 24795), (2755, 17973), (4959, 9985), (5991, 8265)]