1309781745

素因数分解:

$3^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{281}}^1\times {\mathrm{677}}^1$

素因数の和:992

約数の個数: 80

約数和(自身を含む): 2498549328

約数和(自身を除く): 1188767583

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 81, 85, 135, 153, 255, 281, 405, 459, 677, 765, 843, 1377, 1405, 2031, 2295, 2529, 3385, 4215, 4777, 6093, 6885, 7587, 10155, 11509, 12645, 14331, 18279, 22761, 23885, 30465, 34527, 37935, 42993, 54837, 57545, 71655, 91395, 103581, 113805, 128979, 172635, 190237, 214965, 274185, 310743, 386937, 517905, 570711, 644895, 932229, 951185, 1553715, 1712133, 1934685, 2853555, 3234029, 4661145, 5136399, 8560665, 9702087, 15409197, 16170145, 25681995, 29106261, 48510435, 77045985, 87318783, 145531305, 261956349, 436593915, 1309781745]

約数ペア:

[(1, 1309781745), (3, 436593915), (5, 261956349), (9, 145531305), (15, 87318783), (17, 77045985), (27, 48510435), (45, 29106261), (51, 25681995), (81, 16170145), (85, 15409197), (135, 9702087), (153, 8560665), (255, 5136399), (281, 4661145), (405, 3234029), (459, 2853555), (677, 1934685), (765, 1712133), (843, 1553715), (1377, 951185), (1405, 932229), (2031, 644895), (2295, 570711), (2529, 517905), (3385, 386937), (4215, 310743), (4777, 274185), (6093, 214965), (6885, 190237), (7587, 172635), (10155, 128979), (11509, 113805), (12645, 103581), (14331, 91395), (18279, 71655), (22761, 57545), (23885, 54837), (30465, 42993), (34527, 37935)]