27924813

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{569}}^1$

素因数の和:642

約数の個数: 48

約数和(自身を含む): 49795200

約数和(自身を除く): 21870387

約数列:

[1, 3, 7, 9, 19, 21, 41, 57, 63, 123, 133, 171, 287, 369, 399, 569, 779, 861, 1197, 1707, 2337, 2583, 3983, 5121, 5453, 7011, 10811, 11949, 16359, 23329, 32433, 35847, 49077, 69987, 75677, 97299, 163303, 209961, 227031, 443251, 489909, 681093, 1329753, 1469727, 3102757, 3989259, 9308271, 27924813]

約数ペア:

[(1, 27924813), (3, 9308271), (7, 3989259), (9, 3102757), (19, 1469727), (21, 1329753), (41, 681093), (57, 489909), (63, 443251), (123, 227031), (133, 209961), (171, 163303), (287, 97299), (369, 75677), (399, 69987), (569, 49077), (779, 35847), (861, 32433), (1197, 23329), (1707, 16359), (2337, 11949), (2583, 10811), (3983, 7011), (5121, 5453)]