2018659875

素因数分解:

$3^1\times 5^3\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{1993}}^1$

素因数の和:2121

約数の個数: 64

約数和(自身を含む): 3498847872

約数和(自身を除く): 1480187997

約数列:

[1, 3, 5, 15, 25, 37, 73, 75, 111, 125, 185, 219, 365, 375, 555, 925, 1095, 1825, 1993, 2701, 2775, 4625, 5475, 5979, 8103, 9125, 9965, 13505, 13875, 27375, 29895, 40515, 49825, 67525, 73741, 145489, 149475, 202575, 221223, 249125, 337625, 368705, 436467, 727445, 747375, 1012875, 1106115, 1843525, 2182335, 3637225, 5383093, 5530575, 9217625, 10911675, 16149279, 18186125, 26915465, 27652875, 54558375, 80746395, 134577325, 403731975, 672886625, 2018659875]

約数ペア:

[(1, 2018659875), (3, 672886625), (5, 403731975), (15, 134577325), (25, 80746395), (37, 54558375), (73, 27652875), (75, 26915465), (111, 18186125), (125, 16149279), (185, 10911675), (219, 9217625), (365, 5530575), (375, 5383093), (555, 3637225), (925, 2182335), (1095, 1843525), (1825, 1106115), (1993, 1012875), (2701, 747375), (2775, 727445), (4625, 436467), (5475, 368705), (5979, 337625), (8103, 249125), (9125, 221223), (9965, 202575), (13505, 149475), (13875, 145489), (27375, 73741), (29895, 67525), (40515, 49825)]