215519967

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{683}}^1$

素因数の和:765

約数の個数: 64

約数和(自身を含む): 367718400

約数和(自身を除く): 152198433

約数列:

[1, 3, 9, 13, 27, 29, 31, 39, 87, 93, 117, 261, 279, 351, 377, 403, 683, 783, 837, 899, 1131, 1209, 2049, 2697, 3393, 3627, 6147, 8091, 8879, 10179, 10881, 11687, 18441, 19807, 21173, 24273, 26637, 35061, 59421, 63519, 79911, 105183, 178263, 190557, 239733, 257491, 275249, 315549, 534789, 571671, 614017, 772473, 825747, 1842051, 2317419, 2477241, 5526153, 6952257, 7431723, 7982221, 16578459, 23946663, 71839989, 215519967]

約数ペア:

[(1, 215519967), (3, 71839989), (9, 23946663), (13, 16578459), (27, 7982221), (29, 7431723), (31, 6952257), (39, 5526153), (87, 2477241), (93, 2317419), (117, 1842051), (261, 825747), (279, 772473), (351, 614017), (377, 571671), (403, 534789), (683, 315549), (783, 275249), (837, 257491), (899, 239733), (1131, 190557), (1209, 178263), (2049, 105183), (2697, 79911), (3393, 63519), (3627, 59421), (6147, 35061), (8091, 26637), (8879, 24273), (10179, 21173), (10881, 19807), (11687, 18441)]