28658805

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{11867}}^1$

素因数の和:11905

約数の個数: 32

約数和(自身を含む): 54687744

約数和(自身を除く): 26028939

約数列:

[1, 3, 5, 7, 15, 21, 23, 35, 69, 105, 115, 161, 345, 483, 805, 2415, 11867, 35601, 59335, 83069, 178005, 249207, 272941, 415345, 818823, 1246035, 1364705, 1910587, 4094115, 5731761, 9552935, 28658805]

約数ペア:

[(1, 28658805), (3, 9552935), (5, 5731761), (7, 4094115), (15, 1910587), (21, 1364705), (23, 1246035), (35, 818823), (69, 415345), (105, 272941), (115, 249207), (161, 178005), (345, 83069), (483, 59335), (805, 35601), (2415, 11867)]