894980715

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^2\times {\mathrm{43}}^2\times {\mathrm{61}}^1$

素因数の和:201

約数の個数: 72

約数和(自身を含む): 1557681552

約数和(自身を除く): 662700837

約数列:

[1, 3, 5, 15, 23, 43, 61, 69, 115, 129, 183, 215, 305, 345, 529, 645, 915, 989, 1403, 1587, 1849, 2623, 2645, 2967, 4209, 4945, 5547, 7015, 7869, 7935, 9245, 13115, 14835, 21045, 22747, 27735, 32269, 39345, 42527, 60329, 68241, 96807, 112789, 113735, 127581, 161345, 180987, 212635, 301645, 338367, 341205, 484035, 563945, 637905, 904935, 978121, 1387567, 1691835, 2594147, 2934363, 4162701, 4890605, 6937835, 7782441, 12970735, 14671815, 20813505, 38912205, 59665381, 178996143, 298326905, 894980715]

約数ペア:

[(1, 894980715), (3, 298326905), (5, 178996143), (15, 59665381), (23, 38912205), (43, 20813505), (61, 14671815), (69, 12970735), (115, 7782441), (129, 6937835), (183, 4890605), (215, 4162701), (305, 2934363), (345, 2594147), (529, 1691835), (645, 1387567), (915, 978121), (989, 904935), (1403, 637905), (1587, 563945), (1849, 484035), (2623, 341205), (2645, 338367), (2967, 301645), (4209, 212635), (4945, 180987), (5547, 161345), (7015, 127581), (7869, 113735), (7935, 112789), (9245, 96807), (13115, 68241), (14835, 60329), (21045, 42527), (22747, 39345), (27735, 32269)]