82621695

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{641}}^1\times {\mathrm{661}}^1$

素因数の和:1323

約数の個数: 32

約数和(自身を含む): 142801344

約数和(自身を除く): 60179649

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 641, 661, 1923, 1983, 3205, 3305, 8333, 8593, 9615, 9915, 24999, 25779, 41665, 42965, 124995, 128895, 423701, 1271103, 2118505, 5508113, 6355515, 16524339, 27540565, 82621695]

約数ペア:

[(1, 82621695), (3, 27540565), (5, 16524339), (13, 6355515), (15, 5508113), (39, 2118505), (65, 1271103), (195, 423701), (641, 128895), (661, 124995), (1923, 42965), (1983, 41665), (3205, 25779), (3305, 24999), (8333, 9915), (8593, 9615)]