105839025

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{257}}^1$

素因数の和:323

約数の個数: 72

約数和(自身を含む): 196430880

約数和(自身を除く): 90591855

約数列:

[1, 3, 5, 15, 17, 19, 25, 51, 57, 75, 85, 95, 255, 257, 285, 289, 323, 425, 475, 771, 867, 969, 1275, 1285, 1425, 1445, 1615, 3855, 4335, 4369, 4845, 4883, 5491, 6425, 7225, 8075, 13107, 14649, 16473, 19275, 21675, 21845, 24225, 24415, 27455, 65535, 73245, 74273, 82365, 83011, 109225, 122075, 137275, 222819, 249033, 327675, 366225, 371365, 411825, 415055, 1114095, 1245165, 1411187, 1856825, 2075275, 4233561, 5570475, 6225825, 7055935, 21167805, 35279675, 105839025]

約数ペア:

[(1, 105839025), (3, 35279675), (5, 21167805), (15, 7055935), (17, 6225825), (19, 5570475), (25, 4233561), (51, 2075275), (57, 1856825), (75, 1411187), (85, 1245165), (95, 1114095), (255, 415055), (257, 411825), (285, 371365), (289, 366225), (323, 327675), (425, 249033), (475, 222819), (771, 137275), (867, 122075), (969, 109225), (1275, 83011), (1285, 82365), (1425, 74273), (1445, 73245), (1615, 65535), (3855, 27455), (4335, 24415), (4369, 24225), (4845, 21845), (4883, 21675), (5491, 19275), (6425, 16473), (7225, 14649), (8075, 13107)]