2879925

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1$

素因数の和:122

約数の個数: 48

約数和(自身を含む): 5237760

約数和(自身を除く): 2357835

約数列:

[1, 3, 5, 15, 19, 25, 43, 47, 57, 75, 95, 129, 141, 215, 235, 285, 475, 645, 705, 817, 893, 1075, 1175, 1425, 2021, 2451, 2679, 3225, 3525, 4085, 4465, 6063, 10105, 12255, 13395, 20425, 22325, 30315, 38399, 50525, 61275, 66975, 115197, 151575, 191995, 575985, 959975, 2879925]

約数ペア:

[(1, 2879925), (3, 959975), (5, 575985), (15, 191995), (19, 151575), (25, 115197), (43, 66975), (47, 61275), (57, 50525), (75, 38399), (95, 30315), (129, 22325), (141, 20425), (215, 13395), (235, 12255), (285, 10105), (475, 6063), (645, 4465), (705, 4085), (817, 3525), (893, 3225), (1075, 2679), (1175, 2451), (1425, 2021)]