2159325

素因数分解:

$3^3\times 5^2\times 7^1\times {\mathrm{457}}^1$

素因数の和:483

約数の個数: 48

約数和(自身を含む): 4543360

約数和(自身を除く): 2384035

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 27, 35, 45, 63, 75, 105, 135, 175, 189, 225, 315, 457, 525, 675, 945, 1371, 1575, 2285, 3199, 4113, 4725, 6855, 9597, 11425, 12339, 15995, 20565, 28791, 34275, 47985, 61695, 79975, 86373, 102825, 143955, 239925, 308475, 431865, 719775, 2159325]

約数ペア:

[(1, 2159325), (3, 719775), (5, 431865), (7, 308475), (9, 239925), (15, 143955), (21, 102825), (25, 86373), (27, 79975), (35, 61695), (45, 47985), (63, 34275), (75, 28791), (105, 20565), (135, 15995), (175, 12339), (189, 11425), (225, 9597), (315, 6855), (457, 4725), (525, 4113), (675, 3199), (945, 2285), (1371, 1575)]