16660425

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{179}}^1$

素因数の和:282

約数の個数: 48

約数和(自身を含む): 29730240

約数和(自身を除く): 13069815

約数列:

[1, 3, 5, 15, 17, 25, 51, 73, 75, 85, 179, 219, 255, 365, 425, 537, 895, 1095, 1241, 1275, 1825, 2685, 3043, 3723, 4475, 5475, 6205, 9129, 13067, 13425, 15215, 18615, 31025, 39201, 45645, 65335, 76075, 93075, 196005, 222139, 228225, 326675, 666417, 980025, 1110695, 3332085, 5553475, 16660425]

約数ペア:

[(1, 16660425), (3, 5553475), (5, 3332085), (15, 1110695), (17, 980025), (25, 666417), (51, 326675), (73, 228225), (75, 222139), (85, 196005), (179, 93075), (219, 76075), (255, 65335), (365, 45645), (425, 39201), (537, 31025), (895, 18615), (1095, 15215), (1241, 13425), (1275, 13067), (1825, 9129), (2685, 6205), (3043, 5475), (3723, 4475)]