31369653

素因数分解:

$3^3\times 7^2\times {\mathrm{131}}^1\times {\mathrm{181}}^1$

素因数の和:335

約数の個数: 48

約数和(自身を含む): 54774720

約数和(自身を除く): 23405067

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 131, 147, 181, 189, 393, 441, 543, 917, 1179, 1267, 1323, 1629, 2751, 3537, 3801, 4887, 6419, 8253, 8869, 11403, 19257, 23711, 24759, 26607, 34209, 57771, 71133, 79821, 165977, 173313, 213399, 239463, 497931, 640197, 1161839, 1493793, 3485517, 4481379, 10456551, 31369653]

約数ペア:

[(1, 31369653), (3, 10456551), (7, 4481379), (9, 3485517), (21, 1493793), (27, 1161839), (49, 640197), (63, 497931), (131, 239463), (147, 213399), (181, 173313), (189, 165977), (393, 79821), (441, 71133), (543, 57771), (917, 34209), (1179, 26607), (1267, 24759), (1323, 23711), (1629, 19257), (2751, 11403), (3537, 8869), (3801, 8253), (4887, 6419)]