1228815

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1$

素因数の和:148

約数の個数: 48

約数和(自身を含む): 2515968

約数和(自身を除く): 1287153

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 47, 63, 83, 105, 141, 235, 249, 315, 329, 415, 423, 581, 705, 747, 987, 1245, 1645, 1743, 2115, 2905, 2961, 3735, 3901, 4935, 5229, 8715, 11703, 14805, 19505, 26145, 27307, 35109, 58515, 81921, 136535, 175545, 245763, 409605, 1228815]

約数ペア:

[(1, 1228815), (3, 409605), (5, 245763), (7, 175545), (9, 136535), (15, 81921), (21, 58515), (35, 35109), (45, 27307), (47, 26145), (63, 19505), (83, 14805), (105, 11703), (141, 8715), (235, 5229), (249, 4935), (315, 3901), (329, 3735), (415, 2961), (423, 2905), (581, 2115), (705, 1743), (747, 1645), (987, 1245)]