391449345

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{1151}}^1$

素因数の和:1286

約数の個数: 64

約数和(自身を含む): 743178240

約数和(自身を除く): 351728895

約数列:

[1, 3, 5, 7, 15, 21, 35, 41, 79, 105, 123, 205, 237, 287, 395, 553, 615, 861, 1151, 1185, 1435, 1659, 2765, 3239, 3453, 4305, 5755, 8057, 8295, 9717, 16195, 17265, 22673, 24171, 40285, 47191, 48585, 68019, 90929, 113365, 120855, 141573, 235955, 272787, 330337, 340095, 454645, 636503, 707865, 991011, 1363935, 1651685, 1909509, 3182515, 3728089, 4955055, 9547545, 11184267, 18640445, 26096623, 55921335, 78289869, 130483115, 391449345]

約数ペア:

[(1, 391449345), (3, 130483115), (5, 78289869), (7, 55921335), (15, 26096623), (21, 18640445), (35, 11184267), (41, 9547545), (79, 4955055), (105, 3728089), (123, 3182515), (205, 1909509), (237, 1651685), (287, 1363935), (395, 991011), (553, 707865), (615, 636503), (861, 454645), (1151, 340095), (1185, 330337), (1435, 272787), (1659, 235955), (2765, 141573), (3239, 120855), (3453, 113365), (4305, 90929), (5755, 68019), (8057, 48585), (8295, 47191), (9717, 40285), (16195, 24171), (17265, 22673)]