2752215

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{251}}^1$

素因数の和:319

約数の個数: 32

約数和(自身を含む): 4790016

約数和(自身を除く): 2037801

約数列:

[1, 3, 5, 15, 17, 43, 51, 85, 129, 215, 251, 255, 645, 731, 753, 1255, 2193, 3655, 3765, 4267, 10793, 10965, 12801, 21335, 32379, 53965, 64005, 161895, 183481, 550443, 917405, 2752215]

約数ペア:

[(1, 2752215), (3, 917405), (5, 550443), (15, 183481), (17, 161895), (43, 64005), (51, 53965), (85, 32379), (129, 21335), (215, 12801), (251, 10965), (255, 10793), (645, 4267), (731, 3765), (753, 3655), (1255, 2193)]