40220817

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^2\times {\mathrm{1619}}^1$

素因数の和:1662

約数の個数: 36

約数和(自身を含む): 67592880

約数和(自身を除く): 27372063

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 169, 273, 507, 637, 1183, 1619, 1911, 3549, 4857, 8281, 11333, 21047, 24843, 33999, 63141, 79331, 147329, 237993, 273611, 441987, 820833, 1031303, 1915277, 3093909, 5745831, 13406939, 40220817]

約数ペア:

[(1, 40220817), (3, 13406939), (7, 5745831), (13, 3093909), (21, 1915277), (39, 1031303), (49, 820833), (91, 441987), (147, 273611), (169, 237993), (273, 147329), (507, 79331), (637, 63141), (1183, 33999), (1619, 24843), (1911, 21047), (3549, 11333), (4857, 8281)]