51408765

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{59}}^1\times {\mathrm{67}}^1$

素因数の和:171

約数の個数: 72

約数和(自身を含む): 97699680

約数和(自身を除く): 46290915

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 59, 67, 85, 153, 177, 201, 255, 289, 295, 335, 531, 603, 765, 867, 885, 1003, 1005, 1139, 1445, 2601, 2655, 3009, 3015, 3417, 3953, 4335, 5015, 5695, 9027, 10251, 11859, 13005, 15045, 17051, 17085, 19363, 19765, 35577, 45135, 51153, 51255, 58089, 59295, 67201, 85255, 96815, 153459, 174267, 177885, 201603, 255765, 290445, 336005, 604809, 767295, 871335, 1008015, 1142417, 3024045, 3427251, 5712085, 10281753, 17136255, 51408765]

約数ペア:

[(1, 51408765), (3, 17136255), (5, 10281753), (9, 5712085), (15, 3427251), (17, 3024045), (45, 1142417), (51, 1008015), (59, 871335), (67, 767295), (85, 604809), (153, 336005), (177, 290445), (201, 255765), (255, 201603), (289, 177885), (295, 174267), (335, 153459), (531, 96815), (603, 85255), (765, 67201), (867, 59295), (885, 58089), (1003, 51255), (1005, 51153), (1139, 45135), (1445, 35577), (2601, 19765), (2655, 19363), (3009, 17085), (3015, 17051), (3417, 15045), (3953, 13005), (4335, 11859), (5015, 10251), (5695, 9027)]