243321390

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{207967}}^1$

素因数の和:207993

約数の個数: 48

約数和(自身を含む): 681303168

約数和(自身を除く): 437981778

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 39, 45, 65, 78, 90, 117, 130, 195, 234, 390, 585, 1170, 207967, 415934, 623901, 1039835, 1247802, 1871703, 2079670, 2703571, 3119505, 3743406, 5407142, 6239010, 8110713, 9358515, 13517855, 16221426, 18717030, 24332139, 27035710, 40553565, 48664278, 81107130, 121660695, 243321390]

約数ペア:

[(1, 243321390), (2, 121660695), (3, 81107130), (5, 48664278), (6, 40553565), (9, 27035710), (10, 24332139), (13, 18717030), (15, 16221426), (18, 13517855), (26, 9358515), (30, 8110713), (39, 6239010), (45, 5407142), (65, 3743406), (78, 3119505), (90, 2703571), (117, 2079670), (130, 1871703), (195, 1247802), (234, 1039835), (390, 623901), (585, 415934), (1170, 207967)]