201518985

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{103}}^1\times {\mathrm{107}}^1$

素因数の和:294

約数の個数: 64

約数和(自身を含む): 349360128

約数和(自身を除く): 147841143

約数列:

[1, 3, 5, 15, 23, 53, 69, 103, 107, 115, 159, 265, 309, 321, 345, 515, 535, 795, 1219, 1545, 1605, 2369, 2461, 3657, 5459, 5671, 6095, 7107, 7383, 11021, 11845, 12305, 16377, 17013, 18285, 27295, 28355, 33063, 35535, 36915, 55105, 81885, 85065, 125557, 130433, 165315, 253483, 376671, 391299, 584113, 627785, 652165, 760449, 1267415, 1752339, 1883355, 1956495, 2920565, 3802245, 8761695, 13434599, 40303797, 67172995, 201518985]

約数ペア:

[(1, 201518985), (3, 67172995), (5, 40303797), (15, 13434599), (23, 8761695), (53, 3802245), (69, 2920565), (103, 1956495), (107, 1883355), (115, 1752339), (159, 1267415), (265, 760449), (309, 652165), (321, 627785), (345, 584113), (515, 391299), (535, 376671), (795, 253483), (1219, 165315), (1545, 130433), (1605, 125557), (2369, 85065), (2461, 81885), (3657, 55105), (5459, 36915), (5671, 35535), (6095, 33063), (7107, 28355), (7383, 27295), (11021, 18285), (11845, 17013), (12305, 16377)]