28243515

素因数分解:

$3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{157}}^1\times {\mathrm{179}}^1$

素因数の和:411

約数の個数: 32

約数和(自身を含む): 46414080

約数和(自身を除く): 18170565

約数列:

[1, 3, 5, 15, 67, 157, 179, 201, 335, 471, 537, 785, 895, 1005, 2355, 2685, 10519, 11993, 28103, 31557, 35979, 52595, 59965, 84309, 140515, 157785, 179895, 421545, 1882901, 5648703, 9414505, 28243515]

約数ペア:

[(1, 28243515), (3, 9414505), (5, 5648703), (15, 1882901), (67, 421545), (157, 179895), (179, 157785), (201, 140515), (335, 84309), (471, 59965), (537, 52595), (785, 35979), (895, 31557), (1005, 28103), (2355, 11993), (2685, 10519)]