15421125

素因数分解:

$3^1\times 5^3\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1$

素因数の和:135

約数の個数: 64

約数和(自身を含む): 28304640

約数和(自身を除く): 12883515

約数列:

[1, 3, 5, 15, 17, 25, 41, 51, 59, 75, 85, 123, 125, 177, 205, 255, 295, 375, 425, 615, 697, 885, 1003, 1025, 1275, 1475, 2091, 2125, 2419, 3009, 3075, 3485, 4425, 5015, 5125, 6375, 7257, 7375, 10455, 12095, 15045, 15375, 17425, 22125, 25075, 36285, 41123, 52275, 60475, 75225, 87125, 123369, 125375, 181425, 205615, 261375, 302375, 376125, 616845, 907125, 1028075, 3084225, 5140375, 15421125]

約数ペア:

[(1, 15421125), (3, 5140375), (5, 3084225), (15, 1028075), (17, 907125), (25, 616845), (41, 376125), (51, 302375), (59, 261375), (75, 205615), (85, 181425), (123, 125375), (125, 123369), (177, 87125), (205, 75225), (255, 60475), (295, 52275), (375, 41123), (425, 36285), (615, 25075), (697, 22125), (885, 17425), (1003, 15375), (1025, 15045), (1275, 12095), (1475, 10455), (2091, 7375), (2125, 7257), (2419, 6375), (3009, 5125), (3075, 5015), (3485, 4425)]