51135555

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{269}}^1$

素因数の和:348

約数の個数: 64

約数和(自身を含む): 93312000

約数和(自身を除く): 42176445

約数列:

[1, 3, 5, 15, 19, 23, 29, 57, 69, 87, 95, 115, 145, 269, 285, 345, 435, 437, 551, 667, 807, 1311, 1345, 1653, 2001, 2185, 2755, 3335, 4035, 5111, 6187, 6555, 7801, 8265, 10005, 12673, 15333, 18561, 23403, 25555, 30935, 38019, 39005, 63365, 76665, 92805, 117015, 117553, 148219, 179423, 190095, 352659, 444657, 538269, 587765, 741095, 897115, 1763295, 2223285, 2691345, 3409037, 10227111, 17045185, 51135555]

約数ペア:

[(1, 51135555), (3, 17045185), (5, 10227111), (15, 3409037), (19, 2691345), (23, 2223285), (29, 1763295), (57, 897115), (69, 741095), (87, 587765), (95, 538269), (115, 444657), (145, 352659), (269, 190095), (285, 179423), (345, 148219), (435, 117553), (437, 117015), (551, 92805), (667, 76665), (807, 63365), (1311, 39005), (1345, 38019), (1653, 30935), (2001, 25555), (2185, 23403), (2755, 18561), (3335, 15333), (4035, 12673), (5111, 10005), (6187, 8265), (6555, 7801)]