155909823

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{271}}^1$

素因数の和:455

約数の個数: 32

約数和(自身を含む): 220280832

約数和(自身を除く): 64371009

約数列:

[1, 3, 37, 71, 73, 111, 213, 219, 271, 813, 2627, 2701, 5183, 7881, 8103, 10027, 15549, 19241, 19783, 30081, 57723, 59349, 191771, 575313, 711917, 731971, 1404593, 2135751, 2195913, 4213779, 51969941, 155909823]

約数ペア:

[(1, 155909823), (3, 51969941), (37, 4213779), (71, 2195913), (73, 2135751), (111, 1404593), (213, 731971), (219, 711917), (271, 575313), (813, 191771), (2627, 59349), (2701, 57723), (5183, 30081), (7881, 19783), (8103, 19241), (10027, 15549)]