212301705

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{397}}^1\times {\mathrm{463}}^1$

素因数の和:886

約数の個数: 64

約数和(自身を含む): 425484288

約数和(自身を除く): 213182583

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 55, 77, 105, 165, 231, 385, 397, 463, 1155, 1191, 1389, 1985, 2315, 2779, 3241, 4367, 5093, 5955, 6945, 8337, 9723, 13101, 13895, 15279, 16205, 21835, 25465, 30569, 35651, 41685, 48615, 65505, 76395, 91707, 106953, 152845, 178255, 183811, 458535, 534765, 551433, 919055, 1286677, 2021921, 2757165, 3860031, 6065763, 6433385, 10109605, 14153447, 19300155, 30328815, 42460341, 70767235, 212301705]

約数ペア:

[(1, 212301705), (3, 70767235), (5, 42460341), (7, 30328815), (11, 19300155), (15, 14153447), (21, 10109605), (33, 6433385), (35, 6065763), (55, 3860031), (77, 2757165), (105, 2021921), (165, 1286677), (231, 919055), (385, 551433), (397, 534765), (463, 458535), (1155, 183811), (1191, 178255), (1389, 152845), (1985, 106953), (2315, 91707), (2779, 76395), (3241, 65505), (4367, 48615), (5093, 41685), (5955, 35651), (6945, 30569), (8337, 25465), (9723, 21835), (13101, 16205), (13895, 15279)]