209952465

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{569}}^1\times {\mathrm{1447}}^1$

素因数の和:2041

約数の個数: 32

約数和(自身を含む): 356555520

約数和(自身を除く): 146603055

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 569, 1447, 1707, 2845, 4341, 7235, 8535, 9673, 21705, 24599, 29019, 48365, 73797, 122995, 145095, 368985, 823343, 2470029, 4116715, 12350145, 13996831, 41990493, 69984155, 209952465]

約数ペア:

[(1, 209952465), (3, 69984155), (5, 41990493), (15, 13996831), (17, 12350145), (51, 4116715), (85, 2470029), (255, 823343), (569, 368985), (1447, 145095), (1707, 122995), (2845, 73797), (4341, 48365), (7235, 29019), (8535, 24599), (9673, 21705)]