199973655

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{89}}^1\times {\mathrm{1019}}^1$

素因数の和:1133

約数の個数: 72

約数和(自身を含む): 408142800

約数和(自身を除く): 208169145

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 49, 63, 89, 105, 147, 245, 267, 315, 441, 445, 623, 735, 801, 1019, 1335, 1869, 2205, 3057, 3115, 4005, 4361, 5095, 5607, 7133, 9171, 9345, 13083, 15285, 21399, 21805, 28035, 35665, 39249, 45855, 49931, 64197, 65415, 90691, 106995, 149793, 196245, 249655, 272073, 320985, 449379, 453455, 634837, 748965, 816219, 1360365, 1904511, 2246895, 3174185, 4081095, 4443859, 5713533, 9522555, 13331577, 22219295, 28567665, 39994731, 66657885, 199973655]

約数ペア:

[(1, 199973655), (3, 66657885), (5, 39994731), (7, 28567665), (9, 22219295), (15, 13331577), (21, 9522555), (35, 5713533), (45, 4443859), (49, 4081095), (63, 3174185), (89, 2246895), (105, 1904511), (147, 1360365), (245, 816219), (267, 748965), (315, 634837), (441, 453455), (445, 449379), (623, 320985), (735, 272073), (801, 249655), (1019, 196245), (1335, 149793), (1869, 106995), (2205, 90691), (3057, 65415), (3115, 64197), (4005, 49931), (4361, 45855), (5095, 39249), (5607, 35665), (7133, 28035), (9171, 21805), (9345, 21399), (13083, 15285)]