55821375

素因数分解:

$3^2\times 5^3\times {\mathrm{29}}^2\times {\mathrm{59}}^1$

素因数の和:138

約数の個数: 72

約数和(自身を含む): 105983280

約数和(自身を除く): 50161905

約数列:

[1, 3, 5, 9, 15, 25, 29, 45, 59, 75, 87, 125, 145, 177, 225, 261, 295, 375, 435, 531, 725, 841, 885, 1125, 1305, 1475, 1711, 2175, 2523, 2655, 3625, 4205, 4425, 5133, 6525, 7375, 7569, 8555, 10875, 12615, 13275, 15399, 21025, 22125, 25665, 32625, 37845, 42775, 49619, 63075, 66375, 76995, 105125, 128325, 148857, 189225, 213875, 248095, 315375, 384975, 446571, 641625, 744285, 946125, 1240475, 1924875, 2232855, 3721425, 6202375, 11164275, 18607125, 55821375]

約数ペア:

[(1, 55821375), (3, 18607125), (5, 11164275), (9, 6202375), (15, 3721425), (25, 2232855), (29, 1924875), (45, 1240475), (59, 946125), (75, 744285), (87, 641625), (125, 446571), (145, 384975), (177, 315375), (225, 248095), (261, 213875), (295, 189225), (375, 148857), (435, 128325), (531, 105125), (725, 76995), (841, 66375), (885, 63075), (1125, 49619), (1305, 42775), (1475, 37845), (1711, 32625), (2175, 25665), (2523, 22125), (2655, 21025), (3625, 15399), (4205, 13275), (4425, 12615), (5133, 10875), (6525, 8555), (7375, 7569)]