28073115

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{487}}^1$

素因数の和:569

約数の個数: 64

約数和(自身を含む): 58091520

約数和(自身を除く): 30018405

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 61, 63, 105, 135, 183, 189, 305, 315, 427, 487, 549, 915, 945, 1281, 1461, 1647, 2135, 2435, 2745, 3409, 3843, 4383, 6405, 7305, 8235, 10227, 11529, 13149, 17045, 19215, 21915, 29707, 30681, 51135, 57645, 65745, 89121, 92043, 148535, 153405, 207949, 267363, 445605, 460215, 623847, 802089, 1039745, 1336815, 1871541, 3119235, 4010445, 5614623, 9357705, 28073115]

約数ペア:

[(1, 28073115), (3, 9357705), (5, 5614623), (7, 4010445), (9, 3119235), (15, 1871541), (21, 1336815), (27, 1039745), (35, 802089), (45, 623847), (61, 460215), (63, 445605), (105, 267363), (135, 207949), (183, 153405), (189, 148535), (305, 92043), (315, 89121), (427, 65745), (487, 57645), (549, 51135), (915, 30681), (945, 29707), (1281, 21915), (1461, 19215), (1647, 17045), (2135, 13149), (2435, 11529), (2745, 10227), (3409, 8235), (3843, 7305), (4383, 6405)]