245992305

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{601}}^1\times {\mathrm{2099}}^1$

素因数の和:2721

約数の個数: 32

約数和(自身を含む): 424771200

約数和(自身を除く): 178778895

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 601, 1803, 2099, 3005, 6297, 7813, 9015, 10495, 23439, 27287, 31485, 39065, 81861, 117195, 136435, 409305, 1261499, 3784497, 6307495, 16399487, 18922485, 49198461, 81997435, 245992305]

約数ペア:

[(1, 245992305), (3, 81997435), (5, 49198461), (13, 18922485), (15, 16399487), (39, 6307495), (65, 3784497), (195, 1261499), (601, 409305), (1803, 136435), (2099, 117195), (3005, 81861), (6297, 39065), (7813, 31485), (9015, 27287), (10495, 23439)]