2171289537

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{149}}^1\times {\mathrm{503}}^1$

素因数の和:727

約数の個数: 64

約数和(自身を含む): 3447360000

約数和(自身を除く): 1276070463

約数列:

[1, 3, 9, 27, 29, 37, 87, 111, 149, 261, 333, 447, 503, 783, 999, 1073, 1341, 1509, 3219, 4023, 4321, 4527, 5513, 9657, 12963, 13581, 14587, 16539, 18611, 28971, 38889, 43761, 49617, 55833, 74947, 116667, 131283, 148851, 159877, 167499, 224841, 393849, 479631, 502497, 539719, 674523, 1438893, 1619157, 2023569, 2173463, 2773039, 4316679, 4857471, 6520389, 8319117, 14572413, 19561167, 24957351, 58683501, 74872053, 80418131, 241254393, 723763179, 2171289537]

約数ペア:

[(1, 2171289537), (3, 723763179), (9, 241254393), (27, 80418131), (29, 74872053), (37, 58683501), (87, 24957351), (111, 19561167), (149, 14572413), (261, 8319117), (333, 6520389), (447, 4857471), (503, 4316679), (783, 2773039), (999, 2173463), (1073, 2023569), (1341, 1619157), (1509, 1438893), (3219, 674523), (4023, 539719), (4321, 502497), (4527, 479631), (5513, 393849), (9657, 224841), (12963, 167499), (13581, 159877), (14587, 148851), (16539, 131283), (18611, 116667), (28971, 74947), (38889, 55833), (43761, 49617)]