191505291

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{173}}^1\times {\mathrm{263}}^1$

素因数の和:523

約数の個数: 32

約数和(自身を含む): 273411072

約数和(自身を除く): 81905781

約数列:

[1, 3, 23, 61, 69, 173, 183, 263, 519, 789, 1403, 3979, 4209, 6049, 10553, 11937, 16043, 18147, 31659, 45499, 48129, 136497, 242719, 368989, 728157, 1046477, 1106967, 2775439, 3139431, 8326317, 63835097, 191505291]

約数ペア:

[(1, 191505291), (3, 63835097), (23, 8326317), (61, 3139431), (69, 2775439), (173, 1106967), (183, 1046477), (263, 728157), (519, 368989), (789, 242719), (1403, 136497), (3979, 48129), (4209, 45499), (6049, 31659), (10553, 18147), (11937, 16043)]