208032921

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{389}}^1\times {\mathrm{683}}^1$

素因数の和:1110

約数の個数: 32

約数和(自身を含む): 320112000

約数和(自身を除く): 112079079

約数列:

[1, 3, 9, 27, 29, 87, 261, 389, 683, 783, 1167, 2049, 3501, 6147, 10503, 11281, 18441, 19807, 33843, 59421, 101529, 178263, 265687, 304587, 534789, 797061, 2391183, 7173549, 7704923, 23114769, 69344307, 208032921]

約数ペア:

[(1, 208032921), (3, 69344307), (9, 23114769), (27, 7704923), (29, 7173549), (87, 2391183), (261, 797061), (389, 534789), (683, 304587), (783, 265687), (1167, 178263), (2049, 101529), (3501, 59421), (6147, 33843), (10503, 19807), (11281, 18441)]