18029775

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{179}}^1$

素因数の和:288

約数の個数: 48

約数和(自身を含む): 32140800

約数和(自身を除く): 14111025

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 79, 85, 179, 237, 255, 395, 425, 537, 895, 1185, 1275, 1343, 1975, 2685, 3043, 4029, 4475, 5925, 6715, 9129, 13425, 14141, 15215, 20145, 33575, 42423, 45645, 70705, 76075, 100725, 212115, 228225, 240397, 353525, 721191, 1060575, 1201985, 3605955, 6009925, 18029775]

約数ペア:

[(1, 18029775), (3, 6009925), (5, 3605955), (15, 1201985), (17, 1060575), (25, 721191), (51, 353525), (75, 240397), (79, 228225), (85, 212115), (179, 100725), (237, 76075), (255, 70705), (395, 45645), (425, 42423), (537, 33575), (895, 20145), (1185, 15215), (1275, 14141), (1343, 13425), (1975, 9129), (2685, 6715), (3043, 5925), (4029, 4475)]