25597971

素因数分解:

$3^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{257}}^1$

素因数の和:321

約数の個数: 64

約数和(自身を含む): 47554560

約数和(自身を除く): 21956589

約数列:

[1, 3, 7, 9, 17, 21, 27, 31, 51, 63, 93, 119, 153, 189, 217, 257, 279, 357, 459, 527, 651, 771, 837, 1071, 1581, 1799, 1953, 2313, 3213, 3689, 4369, 4743, 5397, 5859, 6939, 7967, 11067, 13107, 14229, 16191, 23901, 30583, 33201, 39321, 48573, 55769, 71703, 91749, 99603, 117963, 135439, 167307, 215109, 275247, 406317, 501921, 825741, 948073, 1218951, 1505763, 2844219, 3656853, 8532657, 25597971]

約数ペア:

[(1, 25597971), (3, 8532657), (7, 3656853), (9, 2844219), (17, 1505763), (21, 1218951), (27, 948073), (31, 825741), (51, 501921), (63, 406317), (93, 275247), (119, 215109), (153, 167307), (189, 135439), (217, 117963), (257, 99603), (279, 91749), (357, 71703), (459, 55769), (527, 48573), (651, 39321), (771, 33201), (837, 30583), (1071, 23901), (1581, 16191), (1799, 14229), (1953, 13107), (2313, 11067), (3213, 7967), (3689, 6939), (4369, 5859), (4743, 5397)]