172019415

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{197}}^1\times {\mathrm{2531}}^1$

素因数の和:2759

約数の個数: 32

約数和(自身を含む): 288769536

約数和(自身を除く): 116750121

約数列:

[1, 3, 5, 15, 23, 69, 115, 197, 345, 591, 985, 2531, 2955, 4531, 7593, 12655, 13593, 22655, 37965, 58213, 67965, 174639, 291065, 498607, 873195, 1495821, 2493035, 7479105, 11467961, 34403883, 57339805, 172019415]

約数ペア:

[(1, 172019415), (3, 57339805), (5, 34403883), (15, 11467961), (23, 7479105), (69, 2493035), (115, 1495821), (197, 873195), (345, 498607), (591, 291065), (985, 174639), (2531, 67965), (2955, 58213), (4531, 37965), (7593, 22655), (12655, 13593)]