81703890

素因数分解:

$2^1\times 3^5\times 5^1\times {\mathrm{33623}}^1$

素因数の和:33645

約数の個数: 48

約数和(自身を含む): 220304448

約数和(自身を除く): 138600558

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 243, 270, 405, 486, 810, 1215, 2430, 33623, 67246, 100869, 168115, 201738, 302607, 336230, 504345, 605214, 907821, 1008690, 1513035, 1815642, 2723463, 3026070, 4539105, 5446926, 8170389, 9078210, 13617315, 16340778, 27234630, 40851945, 81703890]

約数ペア:

[(1, 81703890), (2, 40851945), (3, 27234630), (5, 16340778), (6, 13617315), (9, 9078210), (10, 8170389), (15, 5446926), (18, 4539105), (27, 3026070), (30, 2723463), (45, 1815642), (54, 1513035), (81, 1008690), (90, 907821), (135, 605214), (162, 504345), (243, 336230), (270, 302607), (405, 201738), (486, 168115), (810, 100869), (1215, 67246), (2430, 33623)]