1551879891

素因数分解:

$3^8\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{211}}^1$

素因数の和:313

約数の個数: 72

約数和(自身を含む): 2503550400

約数和(自身を除く): 951670509

約数列:

[1, 3, 9, 19, 27, 57, 59, 81, 171, 177, 211, 243, 513, 531, 633, 729, 1121, 1539, 1593, 1899, 2187, 3363, 4009, 4617, 4779, 5697, 6561, 10089, 12027, 12449, 13851, 14337, 17091, 30267, 36081, 37347, 41553, 43011, 51273, 90801, 108243, 112041, 124659, 129033, 153819, 236531, 272403, 324729, 336123, 387099, 461457, 709593, 817209, 974187, 1008369, 1384371, 2128779, 2451627, 2922561, 3025107, 6386337, 7354881, 8767683, 9075321, 19159011, 26303049, 27225963, 57477033, 81677889, 172431099, 517293297, 1551879891]

約数ペア:

[(1, 1551879891), (3, 517293297), (9, 172431099), (19, 81677889), (27, 57477033), (57, 27225963), (59, 26303049), (81, 19159011), (171, 9075321), (177, 8767683), (211, 7354881), (243, 6386337), (513, 3025107), (531, 2922561), (633, 2451627), (729, 2128779), (1121, 1384371), (1539, 1008369), (1593, 974187), (1899, 817209), (2187, 709593), (3363, 461457), (4009, 387099), (4617, 336123), (4779, 324729), (5697, 272403), (6561, 236531), (10089, 153819), (12027, 129033), (12449, 124659), (13851, 112041), (14337, 108243), (17091, 90801), (30267, 51273), (36081, 43011), (37347, 41553)]