201778911

素因数分解:

$3^3\times {\mathrm{61}}^1\times {\mathrm{101}}^1\times {\mathrm{1213}}^1$

素因数の和:1384

約数の個数: 32

約数和(自身を含む): 307093440

約数和(自身を除く): 105314529

約数列:

[1, 3, 9, 27, 61, 101, 183, 303, 549, 909, 1213, 1647, 2727, 3639, 6161, 10917, 18483, 32751, 55449, 73993, 122513, 166347, 221979, 367539, 665937, 1102617, 1997811, 3307851, 7473293, 22419879, 67259637, 201778911]

約数ペア:

[(1, 201778911), (3, 67259637), (9, 22419879), (27, 7473293), (61, 3307851), (101, 1997811), (183, 1102617), (303, 665937), (549, 367539), (909, 221979), (1213, 166347), (1647, 122513), (2727, 73993), (3639, 55449), (6161, 32751), (10917, 18483)]