1520287587

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{20857}}^1$

素因数の和:20972

約数の個数: 48

約数和(自身を含む): 2733232320

約数和(自身を除く): 1212944733

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 89, 91, 117, 267, 273, 623, 801, 819, 1157, 1869, 3471, 5607, 8099, 10413, 20857, 24297, 62571, 72891, 145999, 187713, 271141, 437997, 813423, 1313991, 1856273, 1897987, 2440269, 5568819, 5693961, 12993911, 16706457, 17081883, 24131549, 38981733, 72394647, 116945199, 168920843, 217183941, 506762529, 1520287587]

約数ペア:

[(1, 1520287587), (3, 506762529), (7, 217183941), (9, 168920843), (13, 116945199), (21, 72394647), (39, 38981733), (63, 24131549), (89, 17081883), (91, 16706457), (117, 12993911), (267, 5693961), (273, 5568819), (623, 2440269), (801, 1897987), (819, 1856273), (1157, 1313991), (1869, 813423), (3471, 437997), (5607, 271141), (8099, 187713), (10413, 145999), (20857, 72891), (24297, 62571)]