201556431

素因数分解:

$3^4\times {\mathrm{73}}^1\times {\mathrm{89}}^1\times {\mathrm{383}}^1$

素因数の和:557

約数の個数: 40

約数和(自身を含む): 309450240

約数和(自身を除く): 107893809

約数列:

[1, 3, 9, 27, 73, 81, 89, 219, 267, 383, 657, 801, 1149, 1971, 2403, 3447, 5913, 6497, 7209, 10341, 19491, 27959, 31023, 34087, 58473, 83877, 102261, 175419, 251631, 306783, 526257, 754893, 920349, 2264679, 2488351, 2761047, 7465053, 22395159, 67185477, 201556431]

約数ペア:

[(1, 201556431), (3, 67185477), (9, 22395159), (27, 7465053), (73, 2761047), (81, 2488351), (89, 2264679), (219, 920349), (267, 754893), (383, 526257), (657, 306783), (801, 251631), (1149, 175419), (1971, 102261), (2403, 83877), (3447, 58473), (5913, 34087), (6497, 31023), (7209, 27959), (10341, 19491)]