28840695

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{367}}^1$

素因数の和:432

約数の個数: 48

約数和(自身を含む): 51720192

約数和(自身を除く): 22879497

約数列:

[1, 3, 5, 13, 15, 31, 39, 65, 93, 155, 169, 195, 367, 403, 465, 507, 845, 1101, 1209, 1835, 2015, 2535, 4771, 5239, 5505, 6045, 11377, 14313, 15717, 23855, 26195, 34131, 56885, 62023, 71565, 78585, 147901, 170655, 186069, 310115, 443703, 739505, 930345, 1922713, 2218515, 5768139, 9613565, 28840695]

約数ペア:

[(1, 28840695), (3, 9613565), (5, 5768139), (13, 2218515), (15, 1922713), (31, 930345), (39, 739505), (65, 443703), (93, 310115), (155, 186069), (169, 170655), (195, 147901), (367, 78585), (403, 71565), (465, 62023), (507, 56885), (845, 34131), (1101, 26195), (1209, 23855), (1835, 15717), (2015, 14313), (2535, 11377), (4771, 6045), (5239, 5505)]