7287975

素因数分解:

$3^4\times 5^2\times {\mathrm{59}}^1\times {\mathrm{61}}^1$

素因数の和:142

約数の個数: 60

約数和(自身を含む): 13953720

約数和(自身を除く): 6665745

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 59, 61, 75, 81, 135, 177, 183, 225, 295, 305, 405, 531, 549, 675, 885, 915, 1475, 1525, 1593, 1647, 2025, 2655, 2745, 3599, 4425, 4575, 4779, 4941, 7965, 8235, 10797, 13275, 13725, 17995, 23895, 24705, 32391, 39825, 41175, 53985, 89975, 97173, 119475, 123525, 161955, 269925, 291519, 485865, 809775, 1457595, 2429325, 7287975]

約数ペア:

[(1, 7287975), (3, 2429325), (5, 1457595), (9, 809775), (15, 485865), (25, 291519), (27, 269925), (45, 161955), (59, 123525), (61, 119475), (75, 97173), (81, 89975), (135, 53985), (177, 41175), (183, 39825), (225, 32391), (295, 24705), (305, 23895), (405, 17995), (531, 13725), (549, 13275), (675, 10797), (885, 8235), (915, 7965), (1475, 4941), (1525, 4779), (1593, 4575), (1647, 4425), (2025, 3599), (2655, 2745)]