191216925

素因数分解:

$3^2\times 5^2\times {\mathrm{37}}^1\times {\mathrm{103}}^1\times {\mathrm{223}}^1$

素因数の和:379

約数の個数: 72

約数和(自身を含む): 356754944

約数和(自身を除く): 165538019

約数列:

[1, 3, 5, 9, 15, 25, 37, 45, 75, 103, 111, 185, 223, 225, 309, 333, 515, 555, 669, 925, 927, 1115, 1545, 1665, 2007, 2575, 2775, 3345, 3811, 4635, 5575, 7725, 8251, 8325, 10035, 11433, 16725, 19055, 22969, 23175, 24753, 34299, 41255, 50175, 57165, 68907, 74259, 95275, 114845, 123765, 171495, 206275, 206721, 285825, 344535, 371295, 574225, 618825, 849853, 857475, 1033605, 1722675, 1856475, 2549559, 4249265, 5168025, 7648677, 12747795, 21246325, 38243385, 63738975, 191216925]

約数ペア:

[(1, 191216925), (3, 63738975), (5, 38243385), (9, 21246325), (15, 12747795), (25, 7648677), (37, 5168025), (45, 4249265), (75, 2549559), (103, 1856475), (111, 1722675), (185, 1033605), (223, 857475), (225, 849853), (309, 618825), (333, 574225), (515, 371295), (555, 344535), (669, 285825), (925, 206721), (927, 206275), (1115, 171495), (1545, 123765), (1665, 114845), (2007, 95275), (2575, 74259), (2775, 68907), (3345, 57165), (3811, 50175), (4635, 41255), (5575, 34299), (7725, 24753), (8251, 23175), (8325, 22969), (10035, 19055), (11433, 16725)]