13988121

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{103}}^1\times {\mathrm{223}}^1$

素因数の和:365

約数の個数: 32

約数和(自身を含む): 22364160

約数和(自身を除く): 8376039

約数列:

[1, 3, 7, 21, 29, 87, 103, 203, 223, 309, 609, 669, 721, 1561, 2163, 2987, 4683, 6467, 8961, 19401, 20909, 22969, 45269, 62727, 68907, 135807, 160783, 482349, 666101, 1998303, 4662707, 13988121]

約数ペア:

[(1, 13988121), (3, 4662707), (7, 1998303), (21, 666101), (29, 482349), (87, 160783), (103, 135807), (203, 68907), (223, 62727), (309, 45269), (609, 22969), (669, 20909), (721, 19401), (1561, 8961), (2163, 6467), (2987, 4683)]