25443405

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1$

素因数の和:139

約数の個数: 96

約数和(自身を含む): 51996672

約数和(自身を除く): 26553267

約数列:

[1, 3, 5, 9, 13, 15, 23, 31, 39, 45, 61, 65, 69, 93, 115, 117, 155, 183, 195, 207, 279, 299, 305, 345, 403, 465, 549, 585, 713, 793, 897, 915, 1035, 1209, 1395, 1403, 1495, 1891, 2015, 2139, 2379, 2691, 2745, 3565, 3627, 3965, 4209, 4485, 5673, 6045, 6417, 7015, 7137, 9269, 9455, 10695, 11895, 12627, 13455, 17019, 18135, 18239, 21045, 24583, 27807, 28365, 32085, 35685, 43493, 46345, 54717, 63135, 73749, 83421, 85095, 91195, 122915, 130479, 139035, 164151, 217465, 221247, 273585, 368745, 391437, 417105, 565409, 652395, 820755, 1106235, 1696227, 1957185, 2827045, 5088681, 8481135, 25443405]

約数ペア:

[(1, 25443405), (3, 8481135), (5, 5088681), (9, 2827045), (13, 1957185), (15, 1696227), (23, 1106235), (31, 820755), (39, 652395), (45, 565409), (61, 417105), (65, 391437), (69, 368745), (93, 273585), (115, 221247), (117, 217465), (155, 164151), (183, 139035), (195, 130479), (207, 122915), (279, 91195), (299, 85095), (305, 83421), (345, 73749), (403, 63135), (465, 54717), (549, 46345), (585, 43493), (713, 35685), (793, 32085), (897, 28365), (915, 27807), (1035, 24583), (1209, 21045), (1395, 18239), (1403, 18135), (1495, 17019), (1891, 13455), (2015, 12627), (2139, 11895), (2379, 10695), (2691, 9455), (2745, 9269), (3565, 7137), (3627, 7015), (3965, 6417), (4209, 6045), (4485, 5673)]