61131375

素因数分解:

$3^3\times 5^3\times {\mathrm{59}}^1\times {\mathrm{307}}^1$

素因数の和:390

約数の個数: 64

約数和(自身を含む): 115315200

約数和(自身を除く): 54183825

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 59, 75, 125, 135, 177, 225, 295, 307, 375, 531, 675, 885, 921, 1125, 1475, 1535, 1593, 2655, 2763, 3375, 4425, 4605, 7375, 7675, 7965, 8289, 13275, 13815, 18113, 22125, 23025, 38375, 39825, 41445, 54339, 66375, 69075, 90565, 115125, 163017, 199125, 207225, 271695, 345375, 452825, 489051, 815085, 1036125, 1358475, 2264125, 2445255, 4075425, 6792375, 12226275, 20377125, 61131375]

約数ペア:

[(1, 61131375), (3, 20377125), (5, 12226275), (9, 6792375), (15, 4075425), (25, 2445255), (27, 2264125), (45, 1358475), (59, 1036125), (75, 815085), (125, 489051), (135, 452825), (177, 345375), (225, 271695), (295, 207225), (307, 199125), (375, 163017), (531, 115125), (675, 90565), (885, 69075), (921, 66375), (1125, 54339), (1475, 41445), (1535, 39825), (1593, 38375), (2655, 23025), (2763, 22125), (3375, 18113), (4425, 13815), (4605, 13275), (7375, 8289), (7675, 7965)]