201719925

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{547}}^1$

素因数の和:723

約数の個数: 72

約数和(自身を含む): 397519200

約数和(自身を除く): 195799275

約数列:

[1, 3, 5, 9, 11, 15, 25, 33, 45, 55, 75, 99, 149, 165, 225, 275, 447, 495, 547, 745, 825, 1341, 1639, 1641, 2235, 2475, 2735, 3725, 4917, 4923, 6017, 6705, 8195, 8205, 11175, 13675, 14751, 18051, 24585, 24615, 30085, 33525, 40975, 41025, 54153, 73755, 81503, 90255, 122925, 123075, 150425, 244509, 270765, 368775, 407515, 451275, 733527, 896533, 1222545, 1353825, 2037575, 2689599, 3667635, 4482665, 6112725, 8068797, 13447995, 18338175, 22413325, 40343985, 67239975, 201719925]

約数ペア:

[(1, 201719925), (3, 67239975), (5, 40343985), (9, 22413325), (11, 18338175), (15, 13447995), (25, 8068797), (33, 6112725), (45, 4482665), (55, 3667635), (75, 2689599), (99, 2037575), (149, 1353825), (165, 1222545), (225, 896533), (275, 733527), (447, 451275), (495, 407515), (547, 368775), (745, 270765), (825, 244509), (1341, 150425), (1639, 123075), (1641, 122925), (2235, 90255), (2475, 81503), (2735, 73755), (3725, 54153), (4917, 41025), (4923, 40975), (6017, 33525), (6705, 30085), (8195, 24615), (8205, 24585), (11175, 18051), (13675, 14751)]