18068895

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{461}}^1$

素因数の和:552

約数の個数: 48

約数和(自身を含む): 34306272

約数和(自身を除く): 16237377

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 67, 117, 195, 201, 335, 461, 585, 603, 871, 1005, 1383, 2305, 2613, 3015, 4149, 4355, 5993, 6915, 7839, 13065, 17979, 20745, 29965, 30887, 39195, 53937, 89895, 92661, 154435, 269685, 277983, 401531, 463305, 1204593, 1389915, 2007655, 3613779, 6022965, 18068895]

約数ペア:

[(1, 18068895), (3, 6022965), (5, 3613779), (9, 2007655), (13, 1389915), (15, 1204593), (39, 463305), (45, 401531), (65, 277983), (67, 269685), (117, 154435), (195, 92661), (201, 89895), (335, 53937), (461, 39195), (585, 30887), (603, 29965), (871, 20745), (1005, 17979), (1383, 13065), (2305, 7839), (2613, 6915), (3015, 5993), (4149, 4355)]