1338645

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1$

素因数の和:106

約数の個数: 64

約数和(自身を含む): 2856960

約数和(自身を除く): 1518315

約数列:

[1, 3, 5, 7, 11, 15, 19, 21, 33, 35, 55, 57, 61, 77, 95, 105, 133, 165, 183, 209, 231, 285, 305, 385, 399, 427, 627, 665, 671, 915, 1045, 1155, 1159, 1281, 1463, 1995, 2013, 2135, 3135, 3355, 3477, 4389, 4697, 5795, 6405, 7315, 8113, 10065, 12749, 14091, 17385, 21945, 23485, 24339, 38247, 40565, 63745, 70455, 89243, 121695, 191235, 267729, 446215, 1338645]

約数ペア:

[(1, 1338645), (3, 446215), (5, 267729), (7, 191235), (11, 121695), (15, 89243), (19, 70455), (21, 63745), (33, 40565), (35, 38247), (55, 24339), (57, 23485), (61, 21945), (77, 17385), (95, 14091), (105, 12749), (133, 10065), (165, 8113), (183, 7315), (209, 6405), (231, 5795), (285, 4697), (305, 4389), (385, 3477), (399, 3355), (427, 3135), (627, 2135), (665, 2013), (671, 1995), (915, 1463), (1045, 1281), (1155, 1159)]