25119381

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{397}}^1$

素因数の和:561

約数の個数: 32

約数和(自身を含む): 40347648

約数和(自身を除く): 15228267

約数列:

[1, 3, 7, 21, 23, 69, 131, 161, 393, 397, 483, 917, 1191, 2751, 2779, 3013, 8337, 9039, 9131, 21091, 27393, 52007, 63273, 63917, 156021, 191751, 364049, 1092147, 1196161, 3588483, 8373127, 25119381]

約数ペア:

[(1, 25119381), (3, 8373127), (7, 3588483), (21, 1196161), (23, 1092147), (69, 364049), (131, 191751), (161, 156021), (393, 63917), (397, 63273), (483, 52007), (917, 27393), (1191, 21091), (2751, 9131), (2779, 9039), (3013, 8337)]