15661947855

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{227}}^1\times {\mathrm{2221}}^1$

素因数の和:2584

約数の個数: 64

約数和(自身を含む): 26749324800

約数和(自身を除く): 11087376945

約数列:

[1, 3, 5, 15, 19, 57, 95, 109, 227, 285, 327, 545, 681, 1135, 1635, 2071, 2221, 3405, 4313, 6213, 6663, 10355, 11105, 12939, 21565, 24743, 31065, 33315, 42199, 64695, 74229, 123715, 126597, 210995, 242089, 371145, 470117, 504167, 632985, 726267, 1210445, 1410351, 1512501, 2350585, 2520835, 3631335, 4599691, 7051755, 7562505, 9579173, 13799073, 22998455, 28737519, 47895865, 54954203, 68995365, 143687595, 164862609, 274771015, 824313045, 1044129857, 3132389571, 5220649285, 15661947855]

約数ペア:

[(1, 15661947855), (3, 5220649285), (5, 3132389571), (15, 1044129857), (19, 824313045), (57, 274771015), (95, 164862609), (109, 143687595), (227, 68995365), (285, 54954203), (327, 47895865), (545, 28737519), (681, 22998455), (1135, 13799073), (1635, 9579173), (2071, 7562505), (2221, 7051755), (3405, 4599691), (4313, 3631335), (6213, 2520835), (6663, 2350585), (10355, 1512501), (11105, 1410351), (12939, 1210445), (21565, 726267), (24743, 632985), (31065, 504167), (33315, 470117), (42199, 371145), (64695, 242089), (74229, 210995), (123715, 126597)]