987788169

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{991}}^1$

素因数の和:1115

約数の個数: 64

約数和(自身を含む): 1618944000

約数和(自身を除く): 631155831

約数列:

[1, 3, 9, 19, 27, 29, 57, 67, 87, 171, 201, 261, 513, 551, 603, 783, 991, 1273, 1653, 1809, 1943, 2973, 3819, 4959, 5829, 8919, 11457, 14877, 17487, 18829, 26757, 28739, 34371, 36917, 52461, 56487, 66397, 86217, 110751, 169461, 199191, 258651, 332253, 508383, 546041, 597573, 775953, 996759, 1261543, 1638123, 1792719, 1925513, 3784629, 4914369, 5776539, 11353887, 14743107, 17329617, 34061661, 36584747, 51988851, 109754241, 329262723, 987788169]

約数ペア:

[(1, 987788169), (3, 329262723), (9, 109754241), (19, 51988851), (27, 36584747), (29, 34061661), (57, 17329617), (67, 14743107), (87, 11353887), (171, 5776539), (201, 4914369), (261, 3784629), (513, 1925513), (551, 1792719), (603, 1638123), (783, 1261543), (991, 996759), (1273, 775953), (1653, 597573), (1809, 546041), (1943, 508383), (2973, 332253), (3819, 258651), (4959, 199191), (5829, 169461), (8919, 110751), (11457, 86217), (14877, 66397), (17487, 56487), (18829, 52461), (26757, 36917), (28739, 34371)]