78845535

素因数分解:

$3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{521}}^1$

素因数の和:613

約数の個数: 64

約数和(自身を含む): 150336000

約数和(自身を除く): 71490465

約数列:

[1, 3, 5, 9, 15, 19, 27, 45, 57, 59, 95, 135, 171, 177, 285, 295, 513, 521, 531, 855, 885, 1121, 1563, 1593, 2565, 2605, 2655, 3363, 4689, 5605, 7815, 7965, 9899, 10089, 14067, 16815, 23445, 29697, 30267, 30739, 49495, 50445, 70335, 89091, 92217, 148485, 151335, 153695, 267273, 276651, 445455, 461085, 584041, 829953, 1336365, 1383255, 1752123, 2920205, 4149765, 5256369, 8760615, 15769107, 26281845, 78845535]

約数ペア:

[(1, 78845535), (3, 26281845), (5, 15769107), (9, 8760615), (15, 5256369), (19, 4149765), (27, 2920205), (45, 1752123), (57, 1383255), (59, 1336365), (95, 829953), (135, 584041), (171, 461085), (177, 445455), (285, 276651), (295, 267273), (513, 153695), (521, 151335), (531, 148485), (855, 92217), (885, 89091), (1121, 70335), (1563, 50445), (1593, 49495), (2565, 30739), (2605, 30267), (2655, 29697), (3363, 23445), (4689, 16815), (5605, 14067), (7815, 10089), (7965, 9899)]