402489711

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{331}}^1\times {\mathrm{547}}^1$

素因数の和:916

約数の個数: 48

約数和(自身を含む): 662247040

約数和(自身を除く): 259757329

約数列:

[1, 3, 9, 13, 19, 39, 57, 117, 171, 247, 331, 547, 741, 993, 1641, 2223, 2979, 4303, 4923, 6289, 7111, 10393, 12909, 18867, 21333, 31179, 38727, 56601, 63999, 81757, 93537, 135109, 181057, 245271, 405327, 543171, 735813, 1215981, 1629513, 2353741, 3440083, 7061223, 10320249, 21183669, 30960747, 44721079, 134163237, 402489711]

約数ペア:

[(1, 402489711), (3, 134163237), (9, 44721079), (13, 30960747), (19, 21183669), (39, 10320249), (57, 7061223), (117, 3440083), (171, 2353741), (247, 1629513), (331, 1215981), (547, 735813), (741, 543171), (993, 405327), (1641, 245271), (2223, 181057), (2979, 135109), (4303, 93537), (4923, 81757), (6289, 63999), (7111, 56601), (10393, 38727), (12909, 31179), (18867, 21333)]