39966225

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{179}}^1\times {\mathrm{229}}^1$

素因数の和:434

約数の個数: 48

約数和(自身を含む): 71870400

約数和(自身を除く): 31904175

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 179, 195, 229, 325, 537, 687, 895, 975, 1145, 2327, 2685, 2977, 3435, 4475, 5725, 6981, 8931, 11635, 13425, 14885, 17175, 34905, 40991, 44655, 58175, 74425, 122973, 174525, 204955, 223275, 532883, 614865, 1024775, 1598649, 2664415, 3074325, 7993245, 13322075, 39966225]

約数ペア:

[(1, 39966225), (3, 13322075), (5, 7993245), (13, 3074325), (15, 2664415), (25, 1598649), (39, 1024775), (65, 614865), (75, 532883), (179, 223275), (195, 204955), (229, 174525), (325, 122973), (537, 74425), (687, 58175), (895, 44655), (975, 40991), (1145, 34905), (2327, 17175), (2685, 14885), (2977, 13425), (3435, 11635), (4475, 8931), (5725, 6981)]