69421815

素因数分解:

$3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{191}}^1\times {\mathrm{197}}^1$

素因数の和:440

約数の個数: 48

約数和(自身を含む): 124540416

約数和(自身を除く): 55118601

約数列:

[1, 3, 5, 9, 15, 41, 45, 123, 191, 197, 205, 369, 573, 591, 615, 955, 985, 1719, 1773, 1845, 2865, 2955, 7831, 8077, 8595, 8865, 23493, 24231, 37627, 39155, 40385, 70479, 72693, 112881, 117465, 121155, 188135, 338643, 352395, 363465, 564405, 1542707, 1693215, 4628121, 7713535, 13884363, 23140605, 69421815]

約数ペア:

[(1, 69421815), (3, 23140605), (5, 13884363), (9, 7713535), (15, 4628121), (41, 1693215), (45, 1542707), (123, 564405), (191, 363465), (197, 352395), (205, 338643), (369, 188135), (573, 121155), (591, 117465), (615, 112881), (955, 72693), (985, 70479), (1719, 40385), (1773, 39155), (1845, 37627), (2865, 24231), (2955, 23493), (7831, 8865), (8077, 8595)]