1290838017

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{601}}^1\times {\mathrm{769}}^1$

素因数の和:1406

約数の個数: 48

約数和(自身を含む): 2113742400

約数和(自身を除く): 822904383

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 399, 601, 769, 931, 1803, 2307, 2793, 4207, 5383, 11419, 12621, 14611, 16149, 29449, 34257, 37681, 43833, 79933, 88347, 102277, 113043, 239799, 306831, 462169, 559531, 715939, 1386507, 1678593, 2147817, 3235183, 8781211, 9705549, 22646281, 26343633, 61468477, 67938843, 184405431, 430279339, 1290838017]

約数ペア:

[(1, 1290838017), (3, 430279339), (7, 184405431), (19, 67938843), (21, 61468477), (49, 26343633), (57, 22646281), (133, 9705549), (147, 8781211), (399, 3235183), (601, 2147817), (769, 1678593), (931, 1386507), (1803, 715939), (2307, 559531), (2793, 462169), (4207, 306831), (5383, 239799), (11419, 113043), (12621, 102277), (14611, 88347), (16149, 79933), (29449, 43833), (34257, 37681)]