201922065

素因数分解:

$3^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1787}}^1$

素因数の和:1841

約数の個数: 56

約数和(自身を含む): 375222528

約数和(自身を除く): 173300463

約数列:

[1, 3, 5, 9, 15, 27, 31, 45, 81, 93, 135, 155, 243, 279, 405, 465, 729, 837, 1215, 1395, 1787, 2511, 3645, 4185, 5361, 7533, 8935, 12555, 16083, 22599, 26805, 37665, 48249, 55397, 80415, 112995, 144747, 166191, 241245, 276985, 434241, 498573, 723735, 830955, 1302723, 1495719, 2171205, 2492865, 4487157, 6513615, 7478595, 13461471, 22435785, 40384413, 67307355, 201922065]

約数ペア:

[(1, 201922065), (3, 67307355), (5, 40384413), (9, 22435785), (15, 13461471), (27, 7478595), (31, 6513615), (45, 4487157), (81, 2492865), (93, 2171205), (135, 1495719), (155, 1302723), (243, 830955), (279, 723735), (405, 498573), (465, 434241), (729, 276985), (837, 241245), (1215, 166191), (1395, 144747), (1787, 112995), (2511, 80415), (3645, 55397), (4185, 48249), (5361, 37665), (7533, 26805), (8935, 22599), (12555, 16083)]