217410435

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{257}}^1\times {\mathrm{1709}}^1$

素因数の和:1988

約数の個数: 48

約数和(自身を含む): 412944480

約数和(自身を除く): 195534045

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 165, 257, 495, 771, 1285, 1709, 2313, 2827, 3855, 5127, 8481, 8545, 11565, 14135, 15381, 18799, 25443, 25635, 42405, 56397, 76905, 93995, 127215, 169191, 281985, 439213, 845955, 1317639, 2196065, 3952917, 4831343, 6588195, 14494029, 19764585, 24156715, 43482087, 72470145, 217410435]

約数ペア:

[(1, 217410435), (3, 72470145), (5, 43482087), (9, 24156715), (11, 19764585), (15, 14494029), (33, 6588195), (45, 4831343), (55, 3952917), (99, 2196065), (165, 1317639), (257, 845955), (495, 439213), (771, 281985), (1285, 169191), (1709, 127215), (2313, 93995), (2827, 76905), (3855, 56397), (5127, 42405), (8481, 25635), (8545, 25443), (11565, 18799), (14135, 15381)]