40404273

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{21143}}^1$

素因数の和:21173

約数の個数: 24

約数和(自身を含む): 67491648

約数和(自身を除く): 27087375

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 273, 637, 1911, 21143, 63429, 148001, 274859, 444003, 824577, 1036007, 1924013, 3108021, 5772039, 13468091, 40404273]

約数ペア:

[(1, 40404273), (3, 13468091), (7, 5772039), (13, 3108021), (21, 1924013), (39, 1036007), (49, 824577), (91, 444003), (147, 274859), (273, 148001), (637, 63429), (1911, 21143)]