201478455

素因数分解:

$3^3\times 5^1\times {\mathrm{31}}^2\times {\mathrm{1553}}^1$

素因数の和:1629

約数の個数: 48

約数和(自身を含む): 370349280

約数和(自身を除く): 168870825

約数列:

[1, 3, 5, 9, 15, 27, 31, 45, 93, 135, 155, 279, 465, 837, 961, 1395, 1553, 2883, 4185, 4659, 4805, 7765, 8649, 13977, 14415, 23295, 25947, 41931, 43245, 48143, 69885, 129735, 144429, 209655, 240715, 433287, 722145, 1299861, 1492433, 2166435, 4477299, 6499305, 7462165, 13431897, 22386495, 40295691, 67159485, 201478455]

約数ペア:

[(1, 201478455), (3, 67159485), (5, 40295691), (9, 22386495), (15, 13431897), (27, 7462165), (31, 6499305), (45, 4477299), (93, 2166435), (135, 1492433), (155, 1299861), (279, 722145), (465, 433287), (837, 240715), (961, 209655), (1395, 144429), (1553, 129735), (2883, 69885), (4185, 48143), (4659, 43245), (4805, 41931), (7765, 25947), (8649, 23295), (13977, 14415)]