217414587

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{4973}}^1$

素因数の和:5067

約数の個数: 32

約数和(自身を含む): 334252800

約数和(自身を除く): 116838213

約数列:

[1, 3, 13, 19, 39, 57, 59, 177, 247, 741, 767, 1121, 2301, 3363, 4973, 14573, 14919, 43719, 64649, 94487, 193947, 283461, 293407, 880221, 1228331, 3684993, 3814291, 5574733, 11442873, 16724199, 72471529, 217414587]

約数ペア:

[(1, 217414587), (3, 72471529), (13, 16724199), (19, 11442873), (39, 5574733), (57, 3814291), (59, 3684993), (177, 1228331), (247, 880221), (741, 293407), (767, 283461), (1121, 193947), (2301, 94487), (3363, 64649), (4973, 43719), (14573, 14919)]