51455715

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1$

素因数の和:236

約数の個数: 64

約数和(自身を含む): 91929600

約数和(自身を除く): 40473885

約数列:

[1, 3, 5, 15, 23, 29, 37, 69, 87, 111, 115, 139, 145, 185, 345, 417, 435, 555, 667, 695, 851, 1073, 2001, 2085, 2553, 3197, 3219, 3335, 4031, 4255, 5143, 5365, 9591, 10005, 12093, 12765, 15429, 15985, 16095, 20155, 24679, 25715, 47955, 60465, 74037, 77145, 92713, 118289, 123395, 149147, 278139, 354867, 370185, 447441, 463565, 591445, 745735, 1390695, 1774335, 2237205, 3430381, 10291143, 17151905, 51455715]

約数ペア:

[(1, 51455715), (3, 17151905), (5, 10291143), (15, 3430381), (23, 2237205), (29, 1774335), (37, 1390695), (69, 745735), (87, 591445), (111, 463565), (115, 447441), (139, 370185), (145, 354867), (185, 278139), (345, 149147), (417, 123395), (435, 118289), (555, 92713), (667, 77145), (695, 74037), (851, 60465), (1073, 47955), (2001, 25715), (2085, 24679), (2553, 20155), (3197, 16095), (3219, 15985), (3335, 15429), (4031, 12765), (4255, 12093), (5143, 10005), (5365, 9591)]