31880709

素因数分解:

$3^4\times 7^1\times {\mathrm{59}}^1\times {\mathrm{953}}^1$

素因数の和:1031

約数の個数: 40

約数和(自身を含む): 55408320

約数和(自身を除く): 23527611

約数列:

[1, 3, 7, 9, 21, 27, 59, 63, 81, 177, 189, 413, 531, 567, 953, 1239, 1593, 2859, 3717, 4779, 6671, 8577, 11151, 20013, 25731, 33453, 56227, 60039, 77193, 168681, 180117, 393589, 506043, 540351, 1180767, 1518129, 3542301, 4554387, 10626903, 31880709]

約数ペア:

[(1, 31880709), (3, 10626903), (7, 4554387), (9, 3542301), (21, 1518129), (27, 1180767), (59, 540351), (63, 506043), (81, 393589), (177, 180117), (189, 168681), (413, 77193), (531, 60039), (567, 56227), (953, 33453), (1239, 25731), (1593, 20013), (2859, 11151), (3717, 8577), (4779, 6671)]