206400645

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{9697}}^1$

素因数の和:9762

約数の個数: 48

約数和(自身を含む): 399402432

約数和(自身を除く): 193001787

約数列:

[1, 3, 5, 9, 11, 15, 33, 43, 45, 55, 99, 129, 165, 215, 387, 473, 495, 645, 1419, 1935, 2365, 4257, 7095, 9697, 21285, 29091, 48485, 87273, 106667, 145455, 320001, 416971, 436365, 533335, 960003, 1250913, 1600005, 2084855, 3752739, 4586681, 4800015, 6254565, 13760043, 18763695, 22933405, 41280129, 68800215, 206400645]

約数ペア:

[(1, 206400645), (3, 68800215), (5, 41280129), (9, 22933405), (11, 18763695), (15, 13760043), (33, 6254565), (43, 4800015), (45, 4586681), (55, 3752739), (99, 2084855), (129, 1600005), (165, 1250913), (215, 960003), (387, 533335), (473, 436365), (495, 416971), (645, 320001), (1419, 145455), (1935, 106667), (2365, 87273), (4257, 48485), (7095, 29091), (9697, 21285)]