51207195

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{197}}^1$

素因数の和:292

約数の個数: 64

約数和(自身を含む): 93671424

約数和(自身を除く): 42464229

約数列:

[1, 3, 5, 13, 15, 31, 39, 43, 65, 93, 129, 155, 195, 197, 215, 403, 465, 559, 591, 645, 985, 1209, 1333, 1677, 2015, 2561, 2795, 2955, 3999, 6045, 6107, 6665, 7683, 8385, 8471, 12805, 17329, 18321, 19995, 25413, 30535, 38415, 42355, 51987, 79391, 86645, 91605, 110123, 127065, 238173, 259935, 262601, 330369, 396955, 550615, 787803, 1190865, 1313005, 1651845, 3413813, 3939015, 10241439, 17069065, 51207195]

約数ペア:

[(1, 51207195), (3, 17069065), (5, 10241439), (13, 3939015), (15, 3413813), (31, 1651845), (39, 1313005), (43, 1190865), (65, 787803), (93, 550615), (129, 396955), (155, 330369), (195, 262601), (197, 259935), (215, 238173), (403, 127065), (465, 110123), (559, 91605), (591, 86645), (645, 79391), (985, 51987), (1209, 42355), (1333, 38415), (1677, 30535), (2015, 25413), (2561, 19995), (2795, 18321), (2955, 17329), (3999, 12805), (6045, 8471), (6107, 8385), (6665, 7683)]