1999824915

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{431}}^1\times {\mathrm{461}}^1$

素因数の和:972

約数の個数: 64

約数和(自身を含む): 3563771904

約数和(自身を除く): 1563946989

約数列:

[1, 3, 5, 11, 15, 33, 55, 61, 165, 183, 305, 431, 461, 671, 915, 1293, 1383, 2013, 2155, 2305, 3355, 4741, 5071, 6465, 6915, 10065, 14223, 15213, 23705, 25355, 26291, 28121, 71115, 76065, 78873, 84363, 131455, 140605, 198691, 289201, 309331, 394365, 421815, 596073, 867603, 927993, 993455, 1446005, 1546655, 2185601, 2980365, 4338015, 4639965, 6556803, 10928005, 12120151, 32784015, 36360453, 60600755, 133321661, 181802265, 399964983, 666608305, 1999824915]

約数ペア:

[(1, 1999824915), (3, 666608305), (5, 399964983), (11, 181802265), (15, 133321661), (33, 60600755), (55, 36360453), (61, 32784015), (165, 12120151), (183, 10928005), (305, 6556803), (431, 4639965), (461, 4338015), (671, 2980365), (915, 2185601), (1293, 1546655), (1383, 1446005), (2013, 993455), (2155, 927993), (2305, 867603), (3355, 596073), (4741, 421815), (5071, 394365), (6465, 309331), (6915, 289201), (10065, 198691), (14223, 140605), (15213, 131455), (23705, 84363), (25355, 78873), (26291, 76065), (28121, 71115)]