28391535

素因数分解:

$3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{10343}}^1$

素因数の和:10415

約数の個数: 24

約数和(自身を含む): 50023584

約数和(自身を除く): 21632049

約数列:

[1, 3, 5, 9, 15, 45, 61, 183, 305, 549, 915, 2745, 10343, 31029, 51715, 93087, 155145, 465435, 630923, 1892769, 3154615, 5678307, 9463845, 28391535]

約数ペア:

[(1, 28391535), (3, 9463845), (5, 5678307), (9, 3154615), (15, 1892769), (45, 630923), (61, 465435), (183, 155145), (305, 93087), (549, 51715), (915, 31029), (2745, 10343)]