3987645

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{103}}^1$

素因数の和:229

約数の個数: 32

約数和(自身を含む): 6739200

約数和(自身を除く): 2751555

約数列:

[1, 3, 5, 15, 29, 87, 89, 103, 145, 267, 309, 435, 445, 515, 1335, 1545, 2581, 2987, 7743, 8961, 9167, 12905, 14935, 27501, 38715, 44805, 45835, 137505, 265843, 797529, 1329215, 3987645]

約数ペア:

[(1, 3987645), (3, 1329215), (5, 797529), (15, 265843), (29, 137505), (87, 45835), (89, 44805), (103, 38715), (145, 27501), (267, 14935), (309, 12905), (435, 9167), (445, 8961), (515, 7743), (1335, 2987), (1545, 2581)]