18013693275

素因数分解:

$3^5\times 5^2\times {\mathrm{37}}^1\times {\mathrm{80141}}^1$

素因数の和:80203

約数の個数: 72

約数和(自身を含む): 34364248464

約数和(自身を除く): 16350555189

約数列:

[1, 3, 5, 9, 15, 25, 27, 37, 45, 75, 81, 111, 135, 185, 225, 243, 333, 405, 555, 675, 925, 999, 1215, 1665, 2025, 2775, 2997, 4995, 6075, 8325, 8991, 14985, 24975, 44955, 74925, 80141, 224775, 240423, 400705, 721269, 1202115, 2003525, 2163807, 2965217, 3606345, 6010575, 6491421, 8895651, 10819035, 14826085, 18031725, 19474263, 26686953, 32457105, 44478255, 54095175, 74130425, 80060859, 97371315, 133434765, 162285525, 222391275, 240182577, 400304295, 486856575, 667173825, 720547731, 1200912885, 2001521475, 3602738655, 6004564425, 18013693275]

約数ペア:

[(1, 18013693275), (3, 6004564425), (5, 3602738655), (9, 2001521475), (15, 1200912885), (25, 720547731), (27, 667173825), (37, 486856575), (45, 400304295), (75, 240182577), (81, 222391275), (111, 162285525), (135, 133434765), (185, 97371315), (225, 80060859), (243, 74130425), (333, 54095175), (405, 44478255), (555, 32457105), (675, 26686953), (925, 19474263), (999, 18031725), (1215, 14826085), (1665, 10819035), (2025, 8895651), (2775, 6491421), (2997, 6010575), (4995, 3606345), (6075, 2965217), (8325, 2163807), (8991, 2003525), (14985, 1202115), (24975, 721269), (44955, 400705), (74925, 240423), (80141, 224775)]