1515975

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1$

素因数の和:100

約数の個数: 48

約数和(自身を含む): 2812320

約数和(自身を除く): 1296345

約数列:

[1, 3, 5, 15, 17, 25, 29, 41, 51, 75, 85, 87, 123, 145, 205, 255, 425, 435, 493, 615, 697, 725, 1025, 1189, 1275, 1479, 2091, 2175, 2465, 3075, 3485, 3567, 5945, 7395, 10455, 12325, 17425, 17835, 20213, 29725, 36975, 52275, 60639, 89175, 101065, 303195, 505325, 1515975]

約数ペア:

[(1, 1515975), (3, 505325), (5, 303195), (15, 101065), (17, 89175), (25, 60639), (29, 52275), (41, 36975), (51, 29725), (75, 20213), (85, 17835), (87, 17425), (123, 12325), (145, 10455), (205, 7395), (255, 5945), (425, 3567), (435, 3485), (493, 3075), (615, 2465), (697, 2175), (725, 2091), (1025, 1479), (1189, 1275)]