13261725

素因数分解:

$3^5\times 5^2\times {\mathrm{37}}^1\times {\mathrm{59}}^1$

素因数の和:121

約数の個数: 72

約数和(自身を含む): 25727520

約数和(自身を除く): 12465795

約数列:

[1, 3, 5, 9, 15, 25, 27, 37, 45, 59, 75, 81, 111, 135, 177, 185, 225, 243, 295, 333, 405, 531, 555, 675, 885, 925, 999, 1215, 1475, 1593, 1665, 2025, 2183, 2655, 2775, 2997, 4425, 4779, 4995, 6075, 6549, 7965, 8325, 8991, 10915, 13275, 14337, 14985, 19647, 23895, 24975, 32745, 39825, 44955, 54575, 58941, 71685, 74925, 98235, 119475, 163725, 176823, 224775, 294705, 358425, 491175, 530469, 884115, 1473525, 2652345, 4420575, 13261725]

約数ペア:

[(1, 13261725), (3, 4420575), (5, 2652345), (9, 1473525), (15, 884115), (25, 530469), (27, 491175), (37, 358425), (45, 294705), (59, 224775), (75, 176823), (81, 163725), (111, 119475), (135, 98235), (177, 74925), (185, 71685), (225, 58941), (243, 54575), (295, 44955), (333, 39825), (405, 32745), (531, 24975), (555, 23895), (675, 19647), (885, 14985), (925, 14337), (999, 13275), (1215, 10915), (1475, 8991), (1593, 8325), (1665, 7965), (2025, 6549), (2183, 6075), (2655, 4995), (2775, 4779), (2997, 4425)]