28651005

素因数分解:

$3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{293}}^1$

素因数の和:398

約数の個数: 48

約数和(自身を含む): 52009776

約数和(自身を除く): 23358771

約数列:

[1, 3, 5, 9, 15, 41, 45, 53, 123, 159, 205, 265, 293, 369, 477, 615, 795, 879, 1465, 1845, 2173, 2385, 2637, 4395, 6519, 10865, 12013, 13185, 15529, 19557, 32595, 36039, 46587, 60065, 77645, 97785, 108117, 139761, 180195, 232935, 540585, 636689, 698805, 1910067, 3183445, 5730201, 9550335, 28651005]

約数ペア:

[(1, 28651005), (3, 9550335), (5, 5730201), (9, 3183445), (15, 1910067), (41, 698805), (45, 636689), (53, 540585), (123, 232935), (159, 180195), (205, 139761), (265, 108117), (293, 97785), (369, 77645), (477, 60065), (615, 46587), (795, 36039), (879, 32595), (1465, 19557), (1845, 15529), (2173, 13185), (2385, 12013), (2637, 10865), (4395, 6519)]