71387236221

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1\times {\mathrm{21101}}^1$

素因数の和:21330

約数の個数: 64

約数和(自身を含む): 117225830400

約数和(自身を除く): 45838594179

約数列:

[1, 3, 7, 19, 21, 57, 61, 133, 139, 183, 399, 417, 427, 973, 1159, 1281, 2641, 2919, 3477, 7923, 8113, 8479, 18487, 21101, 24339, 25437, 55461, 59353, 63303, 147707, 161101, 178059, 400919, 443121, 483303, 1127707, 1202757, 1287161, 2806433, 2933039, 3383121, 3861483, 8419299, 8799117, 9010127, 20531273, 24456059, 27030381, 55727741, 61593819, 73368177, 167183223, 171192413, 178915379, 390094187, 513577239, 536746137, 1170282561, 1252407653, 3399392201, 3757222959, 10198176603, 23795745407, 71387236221]

約数ペア:

[(1, 71387236221), (3, 23795745407), (7, 10198176603), (19, 3757222959), (21, 3399392201), (57, 1252407653), (61, 1170282561), (133, 536746137), (139, 513577239), (183, 390094187), (399, 178915379), (417, 171192413), (427, 167183223), (973, 73368177), (1159, 61593819), (1281, 55727741), (2641, 27030381), (2919, 24456059), (3477, 20531273), (7923, 9010127), (8113, 8799117), (8479, 8419299), (18487, 3861483), (21101, 3383121), (24339, 2933039), (25437, 2806433), (55461, 1287161), (59353, 1202757), (63303, 1127707), (147707, 483303), (161101, 443121), (178059, 400919)]