15040221

素因数分解:

$3^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{199}}^1$

素因数の和:329

約数の個数: 32

約数和(自身を含む): 23808000

約数和(自身を除く): 8767779

約数列:

[1, 3, 7, 21, 59, 61, 177, 183, 199, 413, 427, 597, 1239, 1281, 1393, 3599, 4179, 10797, 11741, 12139, 25193, 35223, 36417, 75579, 82187, 84973, 246561, 254919, 716201, 2148603, 5013407, 15040221]

約数ペア:

[(1, 15040221), (3, 5013407), (7, 2148603), (21, 716201), (59, 254919), (61, 246561), (177, 84973), (183, 82187), (199, 75579), (413, 36417), (427, 35223), (597, 25193), (1239, 12139), (1281, 11741), (1393, 10797), (3599, 4179)]