201905865

素因数分解:

$3^4\times 5^1\times 7^1\times {\mathrm{229}}^1\times {\mathrm{311}}^1$

素因数の和:564

約数の個数: 80

約数和(自身を含む): 416782080

約数和(自身を除く): 214876215

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 81, 105, 135, 189, 229, 311, 315, 405, 567, 687, 933, 945, 1145, 1555, 1603, 2061, 2177, 2799, 2835, 3435, 4665, 4809, 6183, 6531, 8015, 8397, 10305, 10885, 13995, 14427, 18549, 19593, 24045, 25191, 30915, 32655, 41985, 43281, 58779, 71219, 72135, 92745, 97965, 125955, 129843, 176337, 213657, 216405, 293895, 356095, 498533, 640971, 649215, 881685, 1068285, 1495599, 1922913, 2492665, 3204855, 4486797, 5768739, 7477995, 9614565, 13460391, 22433985, 28843695, 40381173, 67301955, 201905865]

約数ペア:

[(1, 201905865), (3, 67301955), (5, 40381173), (7, 28843695), (9, 22433985), (15, 13460391), (21, 9614565), (27, 7477995), (35, 5768739), (45, 4486797), (63, 3204855), (81, 2492665), (105, 1922913), (135, 1495599), (189, 1068285), (229, 881685), (311, 649215), (315, 640971), (405, 498533), (567, 356095), (687, 293895), (933, 216405), (945, 213657), (1145, 176337), (1555, 129843), (1603, 125955), (2061, 97965), (2177, 92745), (2799, 72135), (2835, 71219), (3435, 58779), (4665, 43281), (4809, 41985), (6183, 32655), (6531, 30915), (8015, 25191), (8397, 24045), (10305, 19593), (10885, 18549), (13995, 14427)]