201995745

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{73}}^2$

素因数の和:199

約数の個数: 72

約数和(自身を含む): 395240256

約数和(自身を除く): 193244511

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 57, 73, 95, 105, 133, 219, 285, 361, 365, 399, 511, 665, 1083, 1095, 1387, 1533, 1805, 1995, 2527, 2555, 4161, 5329, 5415, 6935, 7581, 7665, 9709, 12635, 15987, 20805, 26353, 26645, 29127, 37303, 37905, 48545, 79059, 79935, 101251, 111909, 131765, 145635, 184471, 186515, 303753, 395295, 506255, 553413, 559545, 708757, 922355, 1518765, 1923769, 2126271, 2767065, 3543785, 5771307, 9618845, 10631355, 13466383, 28856535, 40399149, 67331915, 201995745]

約数ペア:

[(1, 201995745), (3, 67331915), (5, 40399149), (7, 28856535), (15, 13466383), (19, 10631355), (21, 9618845), (35, 5771307), (57, 3543785), (73, 2767065), (95, 2126271), (105, 1923769), (133, 1518765), (219, 922355), (285, 708757), (361, 559545), (365, 553413), (399, 506255), (511, 395295), (665, 303753), (1083, 186515), (1095, 184471), (1387, 145635), (1533, 131765), (1805, 111909), (1995, 101251), (2527, 79935), (2555, 79059), (4161, 48545), (5329, 37905), (5415, 37303), (6935, 29127), (7581, 26645), (7665, 26353), (9709, 20805), (12635, 15987)]