1389825

素因数分解:

$3^3\times 5^2\times {\mathrm{29}}^1\times {\mathrm{71}}^1$

素因数の和:119

約数の個数: 48

約数和(自身を含む): 2678400

約数和(自身を除く): 1288575

約数列:

[1, 3, 5, 9, 15, 25, 27, 29, 45, 71, 75, 87, 135, 145, 213, 225, 261, 355, 435, 639, 675, 725, 783, 1065, 1305, 1775, 1917, 2059, 2175, 3195, 3915, 5325, 6177, 6525, 9585, 10295, 15975, 18531, 19575, 30885, 47925, 51475, 55593, 92655, 154425, 277965, 463275, 1389825]

約数ペア:

[(1, 1389825), (3, 463275), (5, 277965), (9, 154425), (15, 92655), (25, 55593), (27, 51475), (29, 47925), (45, 30885), (71, 19575), (75, 18531), (87, 15975), (135, 10295), (145, 9585), (213, 6525), (225, 6177), (261, 5325), (355, 3915), (435, 3195), (639, 2175), (675, 2059), (725, 1917), (783, 1775), (1065, 1305)]