71381955

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{73}}^2$

素因数の和:220

約数の個数: 48

約数和(自身を含む): 124485120

約数和(自身を除く): 53103165

約数列:

[1, 3, 5, 15, 19, 47, 57, 73, 95, 141, 219, 235, 285, 365, 705, 893, 1095, 1387, 2679, 3431, 4161, 4465, 5329, 6935, 10293, 13395, 15987, 17155, 20805, 26645, 51465, 65189, 79935, 101251, 195567, 250463, 303753, 325945, 506255, 751389, 977835, 1252315, 1518765, 3756945, 4758797, 14276391, 23793985, 71381955]

約数ペア:

[(1, 71381955), (3, 23793985), (5, 14276391), (15, 4758797), (19, 3756945), (47, 1518765), (57, 1252315), (73, 977835), (95, 751389), (141, 506255), (219, 325945), (235, 303753), (285, 250463), (365, 195567), (705, 101251), (893, 79935), (1095, 65189), (1387, 51465), (2679, 26645), (3431, 20805), (4161, 17155), (4465, 15987), (5329, 13395), (6935, 10293)]