61636455

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{647}}^1$

素因数の和:760

約数の個数: 48

約数和(自身を含む): 112207680

約数和(自身を除く): 50571225

約数列:

[1, 3, 5, 9, 15, 29, 45, 73, 87, 145, 219, 261, 365, 435, 647, 657, 1095, 1305, 1941, 2117, 3235, 3285, 5823, 6351, 9705, 10585, 18763, 19053, 29115, 31755, 47231, 56289, 93815, 95265, 141693, 168867, 236155, 281445, 425079, 708465, 844335, 1369699, 2125395, 4109097, 6848495, 12327291, 20545485, 61636455]

約数ペア:

[(1, 61636455), (3, 20545485), (5, 12327291), (9, 6848495), (15, 4109097), (29, 2125395), (45, 1369699), (73, 844335), (87, 708465), (145, 425079), (219, 281445), (261, 236155), (365, 168867), (435, 141693), (647, 95265), (657, 93815), (1095, 56289), (1305, 47231), (1941, 31755), (2117, 29115), (3235, 19053), (3285, 18763), (5823, 10585), (6351, 9705)]