42903861

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{157}}^1$

素因数の和:211

約数の個数: 72

約数和(自身を含む): 79108704

約数和(自身を除く): 36204843

約数列:

[1, 3, 7, 11, 13, 21, 33, 39, 49, 77, 91, 143, 147, 157, 169, 231, 273, 429, 471, 507, 539, 637, 1001, 1099, 1183, 1617, 1727, 1859, 1911, 2041, 3003, 3297, 3549, 5181, 5577, 6123, 7007, 7693, 8281, 12089, 13013, 14287, 21021, 22451, 23079, 24843, 26533, 36267, 39039, 42861, 67353, 79599, 84623, 91091, 100009, 157157, 185731, 253869, 273273, 291863, 300027, 471471, 557193, 875589, 1100099, 1300117, 2043041, 3300297, 3900351, 6129123, 14301287, 42903861]

約数ペア:

[(1, 42903861), (3, 14301287), (7, 6129123), (11, 3900351), (13, 3300297), (21, 2043041), (33, 1300117), (39, 1100099), (49, 875589), (77, 557193), (91, 471471), (143, 300027), (147, 291863), (157, 273273), (169, 253869), (231, 185731), (273, 157157), (429, 100009), (471, 91091), (507, 84623), (539, 79599), (637, 67353), (1001, 42861), (1099, 39039), (1183, 36267), (1617, 26533), (1727, 24843), (1859, 23079), (1911, 22451), (2041, 21021), (3003, 14287), (3297, 13013), (3549, 12089), (5181, 8281), (5577, 7693), (6123, 7007)]