17657289

素因数分解:

$3^2\times {\mathrm{13}}^3\times {\mathrm{19}}^1\times {\mathrm{47}}^1$

素因数の和:111

約数の個数: 48

約数和(自身を含む): 29702400

約数和(自身を除く): 12045111

約数列:

[1, 3, 9, 13, 19, 39, 47, 57, 117, 141, 169, 171, 247, 423, 507, 611, 741, 893, 1521, 1833, 2197, 2223, 2679, 3211, 5499, 6591, 7943, 8037, 9633, 11609, 19773, 23829, 28899, 34827, 41743, 71487, 103259, 104481, 125229, 150917, 309777, 375687, 452751, 929331, 1358253, 1961921, 5885763, 17657289]

約数ペア:

[(1, 17657289), (3, 5885763), (9, 1961921), (13, 1358253), (19, 929331), (39, 452751), (47, 375687), (57, 309777), (117, 150917), (141, 125229), (169, 104481), (171, 103259), (247, 71487), (423, 41743), (507, 34827), (611, 28899), (741, 23829), (893, 19773), (1521, 11609), (1833, 9633), (2197, 8037), (2223, 7943), (2679, 6591), (3211, 5499)]