4098975

素因数分解:

$3^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1$

素因数の和:128

約数の個数: 48

約数和(自身を含む): 7332864

約数和(自身を除く): 3233889

約数列:

[1, 3, 5, 15, 25, 31, 41, 43, 75, 93, 123, 129, 155, 205, 215, 465, 615, 645, 775, 1025, 1075, 1271, 1333, 1763, 2325, 3075, 3225, 3813, 3999, 5289, 6355, 6665, 8815, 19065, 19995, 26445, 31775, 33325, 44075, 54653, 95325, 99975, 132225, 163959, 273265, 819795, 1366325, 4098975]

約数ペア:

[(1, 4098975), (3, 1366325), (5, 819795), (15, 273265), (25, 163959), (31, 132225), (41, 99975), (43, 95325), (75, 54653), (93, 44075), (123, 33325), (129, 31775), (155, 26445), (205, 19995), (215, 19065), (465, 8815), (615, 6665), (645, 6355), (775, 5289), (1025, 3999), (1075, 3813), (1271, 3225), (1333, 3075), (1763, 2325)]