2745975

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1$

素因数の和:120

約数の個数: 48

約数和(自身を含む): 4999680

約数和(自身を除く): 2253705

約数列:

[1, 3, 5, 15, 19, 25, 41, 47, 57, 75, 95, 123, 141, 205, 235, 285, 475, 615, 705, 779, 893, 1025, 1175, 1425, 1927, 2337, 2679, 3075, 3525, 3895, 4465, 5781, 9635, 11685, 13395, 19475, 22325, 28905, 36613, 48175, 58425, 66975, 109839, 144525, 183065, 549195, 915325, 2745975]

約数ペア:

[(1, 2745975), (3, 915325), (5, 549195), (15, 183065), (19, 144525), (25, 109839), (41, 66975), (47, 58425), (57, 48175), (75, 36613), (95, 28905), (123, 22325), (141, 19475), (205, 13395), (235, 11685), (285, 9635), (475, 5781), (615, 4465), (705, 3895), (779, 3525), (893, 3075), (1025, 2679), (1175, 2337), (1425, 1927)]