28428867

素因数分解:

$3^3\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{421}}^1$

素因数の和:532

約数の個数: 32

約数和(自身を含む): 43955520

約数和(自身を除く): 15526653

約数列:

[1, 3, 9, 27, 41, 61, 123, 183, 369, 421, 549, 1107, 1263, 1647, 2501, 3789, 7503, 11367, 17261, 22509, 25681, 51783, 67527, 77043, 155349, 231129, 466047, 693387, 1052921, 3158763, 9476289, 28428867]

約数ペア:

[(1, 28428867), (3, 9476289), (9, 3158763), (27, 1052921), (41, 693387), (61, 466047), (123, 231129), (183, 155349), (369, 77043), (421, 67527), (549, 51783), (1107, 25681), (1263, 22509), (1647, 17261), (2501, 11367), (3789, 7503)]