664751997

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{13757}}^1$

素因数の和:13842

約数の個数: 48

約数和(自身を含む): 1201898880

約数和(自身を除く): 537146883

約数列:

[1, 3, 7, 9, 13, 21, 39, 59, 63, 91, 117, 177, 273, 413, 531, 767, 819, 1239, 2301, 3717, 5369, 6903, 13757, 16107, 41271, 48321, 96299, 123813, 178841, 288897, 536523, 811663, 866691, 1251887, 1609569, 2434989, 3755661, 5681641, 7304967, 10551619, 11266983, 17044923, 31654857, 51134769, 73861333, 94964571, 221583999, 664751997]

約数ペア:

[(1, 664751997), (3, 221583999), (7, 94964571), (9, 73861333), (13, 51134769), (21, 31654857), (39, 17044923), (59, 11266983), (63, 10551619), (91, 7304967), (117, 5681641), (177, 3755661), (273, 2434989), (413, 1609569), (531, 1251887), (767, 866691), (819, 811663), (1239, 536523), (2301, 288897), (3717, 178841), (5369, 123813), (6903, 96299), (13757, 48321), (16107, 41271)]