49981275

素因数分解:

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

素因数の和:285

約数の個数: 72

約数和(自身を含む): 96623280

約数和(自身を除く): 46642005

約数列:

[1, 3, 5, 9, 15, 17, 25, 45, 51, 73, 75, 85, 153, 179, 219, 225, 255, 365, 425, 537, 657, 765, 895, 1095, 1241, 1275, 1611, 1825, 2685, 3043, 3285, 3723, 3825, 4475, 5475, 6205, 8055, 9129, 11169, 13067, 13425, 15215, 16425, 18615, 27387, 31025, 39201, 40275, 45645, 55845, 65335, 76075, 93075, 117603, 136935, 196005, 222139, 228225, 279225, 326675, 588015, 666417, 684675, 980025, 1110695, 1999251, 2940075, 3332085, 5553475, 9996255, 16660425, 49981275]

約数ペア:

[(1, 49981275), (3, 16660425), (5, 9996255), (9, 5553475), (15, 3332085), (17, 2940075), (25, 1999251), (45, 1110695), (51, 980025), (73, 684675), (75, 666417), (85, 588015), (153, 326675), (179, 279225), (219, 228225), (225, 222139), (255, 196005), (365, 136935), (425, 117603), (537, 93075), (657, 76075), (765, 65335), (895, 55845), (1095, 45645), (1241, 40275), (1275, 39201), (1611, 31025), (1825, 27387), (2685, 18615), (3043, 16425), (3285, 15215), (3723, 13425), (3825, 13067), (4475, 11169), (5475, 9129), (6205, 8055)]