211673925

素因数分解:

$3^3\times 5^2\times {\mathrm{557}}^1\times {\mathrm{563}}^1$

素因数の和:1139

約数の個数: 48

約数和(自身を含む): 390242880

約数和(自身を除く): 178568955

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 135, 225, 557, 563, 675, 1671, 1689, 2785, 2815, 5013, 5067, 8355, 8445, 13925, 14075, 15039, 15201, 25065, 25335, 41775, 42225, 75195, 76005, 125325, 126675, 313591, 375975, 380025, 940773, 1567955, 2822319, 4703865, 7839775, 8466957, 14111595, 23519325, 42334785, 70557975, 211673925]

約数ペア:

[(1, 211673925), (3, 70557975), (5, 42334785), (9, 23519325), (15, 14111595), (25, 8466957), (27, 7839775), (45, 4703865), (75, 2822319), (135, 1567955), (225, 940773), (557, 380025), (563, 375975), (675, 313591), (1671, 126675), (1689, 125325), (2785, 76005), (2815, 75195), (5013, 42225), (5067, 41775), (8355, 25335), (8445, 25065), (13925, 15201), (14075, 15039)]