87628965

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{223}}^1$

素因数の和:338

約数の個数: 64

約数和(自身を含む): 157925376

約数和(自身を除く): 70296411

約数列:

[1, 3, 5, 15, 17, 23, 51, 67, 69, 85, 115, 201, 223, 255, 335, 345, 391, 669, 1005, 1115, 1139, 1173, 1541, 1955, 3345, 3417, 3791, 4623, 5129, 5695, 5865, 7705, 11373, 14941, 15387, 17085, 18955, 23115, 25645, 26197, 44823, 56865, 74705, 76935, 78591, 87193, 130985, 224115, 253997, 261579, 343643, 392955, 435965, 761991, 1030929, 1269985, 1307895, 1718215, 3809955, 5154645, 5841931, 17525793, 29209655, 87628965]

約数ペア:

[(1, 87628965), (3, 29209655), (5, 17525793), (15, 5841931), (17, 5154645), (23, 3809955), (51, 1718215), (67, 1307895), (69, 1269985), (85, 1030929), (115, 761991), (201, 435965), (223, 392955), (255, 343643), (335, 261579), (345, 253997), (391, 224115), (669, 130985), (1005, 87193), (1115, 78591), (1139, 76935), (1173, 74705), (1541, 56865), (1955, 44823), (3345, 26197), (3417, 25645), (3791, 23115), (4623, 18955), (5129, 17085), (5695, 15387), (5865, 14941), (7705, 11373)]