216288705

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{27361}}^1$

素因数の和:27417

約数の個数: 32

約数和(自身を含む): 378252288

約数和(自身を除く): 161963583

約数列:

[1, 3, 5, 15, 17, 31, 51, 85, 93, 155, 255, 465, 527, 1581, 2635, 7905, 27361, 82083, 136805, 410415, 465137, 848191, 1395411, 2325685, 2544573, 4240955, 6977055, 12722865, 14419247, 43257741, 72096235, 216288705]

約数ペア:

[(1, 216288705), (3, 72096235), (5, 43257741), (15, 14419247), (17, 12722865), (31, 6977055), (51, 4240955), (85, 2544573), (93, 2325685), (155, 1395411), (255, 848191), (465, 465137), (527, 410415), (1581, 136805), (2635, 82083), (7905, 27361)]