2178732015

素因数分解:

$3^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{661}}^1\times {\mathrm{823}}^1$

素因数の和:1584

約数の個数: 48

約数和(自身を含む): 3829325760

約数和(自身を除く): 1650593745

約数列:

[1, 3, 5, 9, 15, 45, 89, 267, 445, 661, 801, 823, 1335, 1983, 2469, 3305, 4005, 4115, 5949, 7407, 9915, 12345, 29745, 37035, 58829, 73247, 176487, 219741, 294145, 366235, 529461, 544003, 659223, 882435, 1098705, 1632009, 2647305, 2720015, 3296115, 4896027, 8160045, 24480135, 48416267, 145248801, 242081335, 435746403, 726244005, 2178732015]

約数ペア:

[(1, 2178732015), (3, 726244005), (5, 435746403), (9, 242081335), (15, 145248801), (45, 48416267), (89, 24480135), (267, 8160045), (445, 4896027), (661, 3296115), (801, 2720015), (823, 2647305), (1335, 1632009), (1983, 1098705), (2469, 882435), (3305, 659223), (4005, 544003), (4115, 529461), (5949, 366235), (7407, 294145), (9915, 219741), (12345, 176487), (29745, 73247), (37035, 58829)]