1821690

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1$

素因数の和:205

約数の個数: 80

約数和(自身を含む): 5305608

約数和(自身を除く): 3483918

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 27, 30, 39, 45, 54, 65, 78, 81, 90, 117, 130, 135, 162, 173, 195, 234, 270, 346, 351, 390, 405, 519, 585, 702, 810, 865, 1038, 1053, 1170, 1557, 1730, 1755, 2106, 2249, 2595, 3114, 3510, 4498, 4671, 5190, 5265, 6747, 7785, 9342, 10530, 11245, 13494, 14013, 15570, 20241, 22490, 23355, 28026, 33735, 40482, 46710, 60723, 67470, 70065, 101205, 121446, 140130, 182169, 202410, 303615, 364338, 607230, 910845, 1821690]

約数ペア:

[(1, 1821690), (2, 910845), (3, 607230), (5, 364338), (6, 303615), (9, 202410), (10, 182169), (13, 140130), (15, 121446), (18, 101205), (26, 70065), (27, 67470), (30, 60723), (39, 46710), (45, 40482), (54, 33735), (65, 28026), (78, 23355), (81, 22490), (90, 20241), (117, 15570), (130, 14013), (135, 13494), (162, 11245), (173, 10530), (195, 9342), (234, 7785), (270, 6747), (346, 5265), (351, 5190), (390, 4671), (405, 4498), (519, 3510), (585, 3114), (702, 2595), (810, 2249), (865, 2106), (1038, 1755), (1053, 1730), (1170, 1557)]