72731817

素因数分解:

$3^3\times {\mathrm{101}}^1\times {\mathrm{149}}^1\times {\mathrm{179}}^1$

素因数の和:438

約数の個数: 32

約数和(自身を含む): 110160000

約数和(自身を除く): 37428183

約数列:

[1, 3, 9, 27, 101, 149, 179, 303, 447, 537, 909, 1341, 1611, 2727, 4023, 4833, 15049, 18079, 26671, 45147, 54237, 80013, 135441, 162711, 240039, 406323, 488133, 720117, 2693771, 8081313, 24243939, 72731817]

約数ペア:

[(1, 72731817), (3, 24243939), (9, 8081313), (27, 2693771), (101, 720117), (149, 488133), (179, 406323), (303, 240039), (447, 162711), (537, 135441), (909, 80013), (1341, 54237), (1611, 45147), (2727, 26671), (4023, 18079), (4833, 15049)]