1258215

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{521}}^1$

素因数の和:559

約数の個数: 32

約数和(自身を含む): 2405376

約数和(自身を除く): 1147161

約数列:

[1, 3, 5, 7, 15, 21, 23, 35, 69, 105, 115, 161, 345, 483, 521, 805, 1563, 2415, 2605, 3647, 7815, 10941, 11983, 18235, 35949, 54705, 59915, 83881, 179745, 251643, 419405, 1258215]

約数ペア:

[(1, 1258215), (3, 419405), (5, 251643), (7, 179745), (15, 83881), (21, 59915), (23, 54705), (35, 35949), (69, 18235), (105, 11983), (115, 10941), (161, 7815), (345, 3647), (483, 2605), (521, 2415), (805, 1563)]