217291275

素因数分解:

$3^3\times 5^2\times {\mathrm{89}}^1\times {\mathrm{3617}}^1$

素因数の和:3725

約数の個数: 48

約数和(自身を含む): 403768800

約数和(自身を除く): 186477525

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 89, 135, 225, 267, 445, 675, 801, 1335, 2225, 2403, 3617, 4005, 6675, 10851, 12015, 18085, 20025, 32553, 54255, 60075, 90425, 97659, 162765, 271275, 321913, 488295, 813825, 965739, 1609565, 2441475, 2897217, 4828695, 8047825, 8691651, 14486085, 24143475, 43458255, 72430425, 217291275]

約数ペア:

[(1, 217291275), (3, 72430425), (5, 43458255), (9, 24143475), (15, 14486085), (25, 8691651), (27, 8047825), (45, 4828695), (75, 2897217), (89, 2441475), (135, 1609565), (225, 965739), (267, 813825), (445, 488295), (675, 321913), (801, 271275), (1335, 162765), (2225, 97659), (2403, 90425), (3617, 60075), (4005, 54255), (6675, 32553), (10851, 20025), (12015, 18085)]