91908921

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{229}}^1\times {\mathrm{251}}^1$

素因数の和:537

約数の個数: 32

約数和(自身を含む): 136321920

約数和(自身を除く): 44412999

約数列:

[1, 3, 13, 39, 41, 123, 229, 251, 533, 687, 753, 1599, 2977, 3263, 8931, 9389, 9789, 10291, 28167, 30873, 57479, 122057, 133783, 172437, 366171, 401349, 747227, 2241681, 2356639, 7069917, 30636307, 91908921]

約数ペア:

[(1, 91908921), (3, 30636307), (13, 7069917), (39, 2356639), (41, 2241681), (123, 747227), (229, 401349), (251, 366171), (533, 172437), (687, 133783), (753, 122057), (1599, 57479), (2977, 30873), (3263, 28167), (8931, 10291), (9389, 9789)]