217870185

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{653}}^1$

素因数の和:762

約数の個数: 64

約数和(自身を含む): 395539200

約数和(自身を除く): 177669015

約数列:

[1, 3, 5, 13, 15, 29, 39, 59, 65, 87, 145, 177, 195, 295, 377, 435, 653, 767, 885, 1131, 1711, 1885, 1959, 2301, 3265, 3835, 5133, 5655, 8489, 8555, 9795, 11505, 18937, 22243, 25467, 25665, 38527, 42445, 56811, 66729, 94685, 111215, 115581, 127335, 192635, 246181, 284055, 333645, 500851, 577905, 738543, 1117283, 1230905, 1502553, 2504255, 3351849, 3692715, 5586415, 7512765, 14524679, 16759245, 43574037, 72623395, 217870185]

約数ペア:

[(1, 217870185), (3, 72623395), (5, 43574037), (13, 16759245), (15, 14524679), (29, 7512765), (39, 5586415), (59, 3692715), (65, 3351849), (87, 2504255), (145, 1502553), (177, 1230905), (195, 1117283), (295, 738543), (377, 577905), (435, 500851), (653, 333645), (767, 284055), (885, 246181), (1131, 192635), (1711, 127335), (1885, 115581), (1959, 111215), (2301, 94685), (3265, 66729), (3835, 56811), (5133, 42445), (5655, 38527), (8489, 25665), (8555, 25467), (9795, 22243), (11505, 18937)]