26628225

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{881}}^1$

素因数の和:938

約数の個数: 48

約数和(自身を含む): 48996864

約数和(自身を除く): 22368639

約数列:

[1, 3, 5, 13, 15, 25, 31, 39, 65, 75, 93, 155, 195, 325, 403, 465, 775, 881, 975, 1209, 2015, 2325, 2643, 4405, 6045, 10075, 11453, 13215, 22025, 27311, 30225, 34359, 57265, 66075, 81933, 136555, 171795, 286325, 355043, 409665, 682775, 858975, 1065129, 1775215, 2048325, 5325645, 8876075, 26628225]

約数ペア:

[(1, 26628225), (3, 8876075), (5, 5325645), (13, 2048325), (15, 1775215), (25, 1065129), (31, 858975), (39, 682775), (65, 409665), (75, 355043), (93, 286325), (155, 171795), (195, 136555), (325, 81933), (403, 66075), (465, 57265), (775, 34359), (881, 30225), (975, 27311), (1209, 22025), (2015, 13215), (2325, 11453), (2643, 10075), (4405, 6045)]