213738195

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{3313}}^1$

素因数の和:3372

約数の個数: 64

約数和(自身を含む): 412314624

約数和(自身を除く): 198576429

約数列:

[1, 3, 5, 11, 15, 17, 23, 33, 51, 55, 69, 85, 115, 165, 187, 253, 255, 345, 391, 561, 759, 935, 1173, 1265, 1955, 2805, 3313, 3795, 4301, 5865, 9939, 12903, 16565, 21505, 36443, 49695, 56321, 64515, 76199, 109329, 168963, 182215, 228597, 281605, 380995, 546645, 619531, 838189, 844815, 1142985, 1295383, 1858593, 2514567, 3097655, 3886149, 4190945, 6476915, 9292965, 12572835, 14249213, 19430745, 42747639, 71246065, 213738195]

約数ペア:

[(1, 213738195), (3, 71246065), (5, 42747639), (11, 19430745), (15, 14249213), (17, 12572835), (23, 9292965), (33, 6476915), (51, 4190945), (55, 3886149), (69, 3097655), (85, 2514567), (115, 1858593), (165, 1295383), (187, 1142985), (253, 844815), (255, 838189), (345, 619531), (391, 546645), (561, 380995), (759, 281605), (935, 228597), (1173, 182215), (1265, 168963), (1955, 109329), (2805, 76199), (3313, 64515), (3795, 56321), (4301, 49695), (5865, 36443), (9939, 21505), (12903, 16565)]