40849809

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{223}}^1$

素因数の和:318

約数の個数: 64

約数和(自身を含む): 74661888

約数和(自身を除く): 33812079

約数列:

[1, 3, 7, 11, 13, 21, 33, 39, 61, 77, 91, 143, 183, 223, 231, 273, 427, 429, 669, 671, 793, 1001, 1281, 1561, 2013, 2379, 2453, 2899, 3003, 4683, 4697, 5551, 7359, 8697, 8723, 13603, 14091, 16653, 17171, 20293, 26169, 31889, 40809, 51513, 60879, 61061, 95221, 95667, 149633, 176839, 183183, 223223, 285663, 448899, 530517, 669669, 1047431, 1237873, 1945229, 3142293, 3713619, 5835687, 13616603, 40849809]

約数ペア:

[(1, 40849809), (3, 13616603), (7, 5835687), (11, 3713619), (13, 3142293), (21, 1945229), (33, 1237873), (39, 1047431), (61, 669669), (77, 530517), (91, 448899), (143, 285663), (183, 223223), (223, 183183), (231, 176839), (273, 149633), (427, 95667), (429, 95221), (669, 61061), (671, 60879), (793, 51513), (1001, 40809), (1281, 31889), (1561, 26169), (2013, 20293), (2379, 17171), (2453, 16653), (2899, 14091), (3003, 13603), (4683, 8723), (4697, 8697), (5551, 7359)]