30621645

素因数分解:

$3^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{271}}^1$

素因数の和:325

約数の個数: 56

約数和(自身を含む): 57080832

約数和(自身を除く): 26459187

約数列:

[1, 3, 5, 9, 15, 27, 31, 45, 81, 93, 135, 155, 243, 271, 279, 405, 465, 729, 813, 837, 1215, 1355, 1395, 2439, 2511, 3645, 4065, 4185, 7317, 7533, 8401, 12195, 12555, 21951, 22599, 25203, 36585, 37665, 42005, 65853, 75609, 109755, 112995, 126015, 197559, 226827, 329265, 378045, 680481, 987795, 1134135, 2041443, 3402405, 6124329, 10207215, 30621645]

約数ペア:

[(1, 30621645), (3, 10207215), (5, 6124329), (9, 3402405), (15, 2041443), (27, 1134135), (31, 987795), (45, 680481), (81, 378045), (93, 329265), (135, 226827), (155, 197559), (243, 126015), (271, 112995), (279, 109755), (405, 75609), (465, 65853), (729, 42005), (813, 37665), (837, 36585), (1215, 25203), (1355, 22599), (1395, 21951), (2439, 12555), (2511, 12195), (3645, 8401), (4065, 7533), (4185, 7317)]