209543235

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1\times {\mathrm{191}}^1$

素因数の和:380

約数の個数: 64

約数和(自身を含む): 377118720

約数和(自身を除く): 167575485

約数列:

[1, 3, 5, 11, 15, 33, 55, 61, 109, 165, 183, 191, 305, 327, 545, 573, 671, 915, 955, 1199, 1635, 2013, 2101, 2865, 3355, 3597, 5995, 6303, 6649, 10065, 10505, 11651, 17985, 19947, 20819, 31515, 33245, 34953, 58255, 62457, 73139, 99735, 104095, 128161, 174765, 219417, 229009, 312285, 365695, 384483, 640805, 687027, 1097085, 1145045, 1269959, 1922415, 3435135, 3809877, 6349795, 13969549, 19049385, 41908647, 69847745, 209543235]

約数ペア:

[(1, 209543235), (3, 69847745), (5, 41908647), (11, 19049385), (15, 13969549), (33, 6349795), (55, 3809877), (61, 3435135), (109, 1922415), (165, 1269959), (183, 1145045), (191, 1097085), (305, 687027), (327, 640805), (545, 384483), (573, 365695), (671, 312285), (915, 229009), (955, 219417), (1199, 174765), (1635, 128161), (2013, 104095), (2101, 99735), (2865, 73139), (3355, 62457), (3597, 58255), (5995, 34953), (6303, 33245), (6649, 31515), (10065, 20819), (10505, 19947), (11651, 17985)]