661812045

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{523}}^1\times {\mathrm{2909}}^1$

素因数の和:3469

約数の個数: 32

約数和(自身を含む): 1097884800

約数和(自身を除く): 436072755

約数列:

[1, 3, 5, 15, 29, 87, 145, 435, 523, 1569, 2615, 2909, 7845, 8727, 14545, 15167, 43635, 45501, 75835, 84361, 227505, 253083, 421805, 1265415, 1521407, 4564221, 7607035, 22821105, 44120803, 132362409, 220604015, 661812045]

約数ペア:

[(1, 661812045), (3, 220604015), (5, 132362409), (15, 44120803), (29, 22821105), (87, 7607035), (145, 4564221), (435, 1521407), (523, 1265415), (1569, 421805), (2615, 253083), (2909, 227505), (7845, 84361), (8727, 75835), (14545, 45501), (15167, 43635)]