201979215

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{10271}}^1$

素因数の和:10324

約数の個数: 48

約数和(自身を含む): 384583680

約数和(自身を除く): 182604465

約数列:

[1, 3, 5, 9, 15, 19, 23, 45, 57, 69, 95, 115, 171, 207, 285, 345, 437, 855, 1035, 1311, 2185, 3933, 6555, 10271, 19665, 30813, 51355, 92439, 154065, 195149, 236233, 462195, 585447, 708699, 975745, 1181165, 1756341, 2126097, 2927235, 3543495, 4488427, 8781705, 10630485, 13465281, 22442135, 40395843, 67326405, 201979215]

約数ペア:

[(1, 201979215), (3, 67326405), (5, 40395843), (9, 22442135), (15, 13465281), (19, 10630485), (23, 8781705), (45, 4488427), (57, 3543495), (69, 2927235), (95, 2126097), (115, 1756341), (171, 1181165), (207, 975745), (285, 708699), (345, 585447), (437, 462195), (855, 236233), (1035, 195149), (1311, 154065), (2185, 92439), (3933, 51355), (6555, 30813), (10271, 19665)]