207620325

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{563}}^1$

素因数の和:739

約数の個数: 72

約数和(自身を含む): 409125600

約数和(自身を除く): 201505275

約数列:

[1, 3, 5, 9, 11, 15, 25, 33, 45, 55, 75, 99, 149, 165, 225, 275, 447, 495, 563, 745, 825, 1341, 1639, 1689, 2235, 2475, 2815, 3725, 4917, 5067, 6193, 6705, 8195, 8445, 11175, 14075, 14751, 18579, 24585, 25335, 30965, 33525, 40975, 42225, 55737, 73755, 83887, 92895, 122925, 126675, 154825, 251661, 278685, 368775, 419435, 464475, 754983, 922757, 1258305, 1393425, 2097175, 2768271, 3774915, 4613785, 6291525, 8304813, 13841355, 18874575, 23068925, 41524065, 69206775, 207620325]

約数ペア:

[(1, 207620325), (3, 69206775), (5, 41524065), (9, 23068925), (11, 18874575), (15, 13841355), (25, 8304813), (33, 6291525), (45, 4613785), (55, 3774915), (75, 2768271), (99, 2097175), (149, 1393425), (165, 1258305), (225, 922757), (275, 754983), (447, 464475), (495, 419435), (563, 368775), (745, 278685), (825, 251661), (1341, 154825), (1639, 126675), (1689, 122925), (2235, 92895), (2475, 83887), (2815, 73755), (3725, 55737), (4917, 42225), (5067, 40975), (6193, 33525), (6705, 30965), (8195, 25335), (8445, 24585), (11175, 18579), (14075, 14751)]