29898975

素因数分解:

$3^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{127}}^1$

素因数の和:256

約数の個数: 48

約数和(自身を含む): 51679232

約数和(自身を除く): 21780257

約数列:

[1, 3, 5, 15, 25, 43, 73, 75, 127, 129, 215, 219, 365, 381, 635, 645, 1075, 1095, 1825, 1905, 3139, 3175, 3225, 5461, 5475, 9271, 9417, 9525, 15695, 16383, 27305, 27813, 46355, 47085, 78475, 81915, 136525, 139065, 231775, 235425, 398653, 409575, 695325, 1195959, 1993265, 5979795, 9966325, 29898975]

約数ペア:

[(1, 29898975), (3, 9966325), (5, 5979795), (15, 1993265), (25, 1195959), (43, 695325), (73, 409575), (75, 398653), (127, 235425), (129, 231775), (215, 139065), (219, 136525), (365, 81915), (381, 78475), (635, 47085), (645, 46355), (1075, 27813), (1095, 27305), (1825, 16383), (1905, 15695), (3139, 9525), (3175, 9417), (3225, 9271), (5461, 5475)]