201971865

素因数分解:

$3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{157}}^1\times {\mathrm{617}}^1$

素因数の和:921

約数の個数: 32

約数和(自身を含む): 328083840

約数和(自身を除く): 126111975

約数列:

[1, 3, 5, 15, 139, 157, 417, 471, 617, 695, 785, 1851, 2085, 2355, 3085, 9255, 21823, 65469, 85763, 96869, 109115, 257289, 290607, 327345, 428815, 484345, 1286445, 1453035, 13464791, 40394373, 67323955, 201971865]

約数ペア:

[(1, 201971865), (3, 67323955), (5, 40394373), (15, 13464791), (139, 1453035), (157, 1286445), (417, 484345), (471, 428815), (617, 327345), (695, 290607), (785, 257289), (1851, 109115), (2085, 96869), (2355, 85763), (3085, 65469), (9255, 21823)]