16438215

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1$

素因数の和:144

約数の個数: 64

約数和(自身を含む): 29859840

約数和(自身を除く): 13421625

約数列:

[1, 3, 5, 15, 23, 29, 31, 53, 69, 87, 93, 115, 145, 155, 159, 265, 345, 435, 465, 667, 713, 795, 899, 1219, 1537, 1643, 2001, 2139, 2697, 3335, 3565, 3657, 4495, 4611, 4929, 6095, 7685, 8215, 10005, 10695, 13485, 18285, 20677, 23055, 24645, 35351, 37789, 47647, 62031, 103385, 106053, 113367, 142941, 176755, 188945, 238235, 310155, 530265, 566835, 714705, 1095881, 3287643, 5479405, 16438215]

約数ペア:

[(1, 16438215), (3, 5479405), (5, 3287643), (15, 1095881), (23, 714705), (29, 566835), (31, 530265), (53, 310155), (69, 238235), (87, 188945), (93, 176755), (115, 142941), (145, 113367), (155, 106053), (159, 103385), (265, 62031), (345, 47647), (435, 37789), (465, 35351), (667, 24645), (713, 23055), (795, 20677), (899, 18285), (1219, 13485), (1537, 10695), (1643, 10005), (2001, 8215), (2139, 7685), (2697, 6095), (3335, 4929), (3565, 4611), (3657, 4495)]