28383849

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{97}}^1$

素因数の和:218

約数の個数: 48

約数和(自身を含む): 46444944

約数和(自身を除く): 18061095

約数列:

[1, 3, 9, 13, 39, 41, 61, 97, 117, 123, 183, 291, 369, 533, 549, 793, 873, 1261, 1599, 2379, 2501, 3783, 3977, 4797, 5917, 7137, 7503, 11349, 11931, 17751, 22509, 32513, 35793, 51701, 53253, 76921, 97539, 155103, 230763, 242597, 292617, 465309, 692289, 727791, 2183373, 3153761, 9461283, 28383849]

約数ペア:

[(1, 28383849), (3, 9461283), (9, 3153761), (13, 2183373), (39, 727791), (41, 692289), (61, 465309), (97, 292617), (117, 242597), (123, 230763), (183, 155103), (291, 97539), (369, 76921), (533, 53253), (549, 51701), (793, 35793), (873, 32513), (1261, 22509), (1599, 17751), (2379, 11931), (2501, 11349), (3783, 7503), (3977, 7137), (4797, 5917)]