18150645

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{53}}^1\times {\mathrm{79}}^1$

素因数の和:174

約数の個数: 48

約数和(自身を含む): 31829760

約数和(自身を除く): 13679115

約数列:

[1, 3, 5, 15, 17, 51, 53, 79, 85, 159, 237, 255, 265, 289, 395, 795, 867, 901, 1185, 1343, 1445, 2703, 4029, 4187, 4335, 4505, 6715, 12561, 13515, 15317, 20145, 20935, 22831, 45951, 62805, 68493, 71179, 76585, 114155, 213537, 229755, 342465, 355895, 1067685, 1210043, 3630129, 6050215, 18150645]

約数ペア:

[(1, 18150645), (3, 6050215), (5, 3630129), (15, 1210043), (17, 1067685), (51, 355895), (53, 342465), (79, 229755), (85, 213537), (159, 114155), (237, 76585), (255, 71179), (265, 68493), (289, 62805), (395, 45951), (795, 22831), (867, 20935), (901, 20145), (1185, 15317), (1343, 13515), (1445, 12561), (2703, 6715), (4029, 4505), (4187, 4335)]