2195280387

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{251}}^1\times {\mathrm{5683}}^1$

素因数の和:5965

約数の個数: 40

約数和(自身を含む): 3466330560

約数和(自身を除く): 1271050173

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 251, 513, 753, 1539, 2259, 4769, 5683, 6777, 14307, 17049, 20331, 42921, 51147, 107977, 128763, 153441, 323931, 386289, 460323, 971793, 1426433, 2915379, 4279299, 8746137, 12837897, 27102227, 38513691, 81306681, 115541073, 243920043, 731760129, 2195280387]

約数ペア:

[(1, 2195280387), (3, 731760129), (9, 243920043), (19, 115541073), (27, 81306681), (57, 38513691), (81, 27102227), (171, 12837897), (251, 8746137), (513, 4279299), (753, 2915379), (1539, 1426433), (2259, 971793), (4769, 460323), (5683, 386289), (6777, 323931), (14307, 153441), (17049, 128763), (20331, 107977), (42921, 51147)]